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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
| commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
| tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/rfc-2497-if-let-chains | |
| parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
| download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip | |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/rfc-2497-if-let-chains')
25 files changed, 0 insertions, 3317 deletions
diff --git a/src/test/ui/rfc-2497-if-let-chains/ast-lowering-does-not-wrap-let-chains.rs b/src/test/ui/rfc-2497-if-let-chains/ast-lowering-does-not-wrap-let-chains.rs deleted file mode 100644 index d851fac8e..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/ast-lowering-does-not-wrap-let-chains.rs +++ /dev/null @@ -1,16 +0,0 @@ -// run-pass - -#![feature(let_chains)] -#![allow(irrefutable_let_patterns)] - -fn main() { - let first = Some(1); - let second = Some(2); - let mut n = 0; - if let x = first && let y = second && 1 == 1 { - assert_eq!(x, first); - assert_eq!(y, second); - n = 1; - } - assert_eq!(n, 1); -} diff --git a/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.rs b/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.rs deleted file mode 100644 index 69bc189dd..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.rs +++ /dev/null @@ -1,6 +0,0 @@ -// check-pass -// compile-flags: -Z unpretty=expanded - -fn main() { - if let 0 = 1 {} -} diff --git a/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.stdout b/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.stdout deleted file mode 100644 index e737ef26e..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/ast-pretty-check.stdout +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(prelude_import)] -#![no_std] -#[prelude_import] -use ::std::prelude::rust_2015::*; -#[macro_use] -extern crate std; -// check-pass -// compile-flags: -Z unpretty=expanded - -fn main() { if let 0 = 1 {} } diff --git a/src/test/ui/rfc-2497-if-let-chains/chains-without-let.rs b/src/test/ui/rfc-2497-if-let-chains/chains-without-let.rs deleted file mode 100644 index e0dded152..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/chains-without-let.rs +++ /dev/null @@ -1,20 +0,0 @@ -fn and_chain() { - let z; - if true && { z = 3; true} && z == 3 {} - //~^ ERROR E0381 -} - -fn and_chain_2() { - let z; - true && { z = 3; true} && z == 3; - //~^ ERROR E0381 -} - -fn or_chain() { - let z; - if false || { z = 3; false} || z == 3 {} - //~^ ERROR E0381 -} - -fn main() { -} diff --git a/src/test/ui/rfc-2497-if-let-chains/chains-without-let.stderr b/src/test/ui/rfc-2497-if-let-chains/chains-without-let.stderr deleted file mode 100644 index 30d5a6779..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/chains-without-let.stderr +++ /dev/null @@ -1,33 +0,0 @@ -error[E0381]: used binding `z` is possibly-uninitialized - --> $DIR/chains-without-let.rs:3:34 - | -LL | let z; - | - binding declared here but left uninitialized -LL | if true && { z = 3; true} && z == 3 {} - | ----- ^ `z` used here but it is possibly-uninitialized - | | - | binding initialized here in some conditions - -error[E0381]: used binding `z` is possibly-uninitialized - --> $DIR/chains-without-let.rs:9:31 - | -LL | let z; - | - binding declared here but left uninitialized -LL | true && { z = 3; true} && z == 3; - | ----- ^ `z` used here but it is possibly-uninitialized - | | - | binding initialized here in some conditions - -error[E0381]: used binding `z` is possibly-uninitialized - --> $DIR/chains-without-let.rs:15:36 - | -LL | let z; - | - binding declared here but left uninitialized -LL | if false || { z = 3; false} || z == 3 {} - | ----- ^ `z` used here but it is possibly-uninitialized - | | - | binding initialized here in some conditions - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0381`. diff --git a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs deleted file mode 100644 index 2a9a5472b..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.rs +++ /dev/null @@ -1,480 +0,0 @@ -// Here we test that `lowering` behaves correctly wrt. `let $pats = $expr` expressions. -// -// We want to make sure that `let` is banned in situations other than: -// -// expr = -// | ... -// | "if" expr_with_let block {"else" block}? -// | {label ":"}? while" expr_with_let block -// ; -// -// expr_with_let = -// | "let" top_pats "=" expr -// | expr_with_let "&&" expr_with_let -// | "(" expr_with_let ")" -// | expr -// ; -// -// To that end, we check some positions which is not part of the language above. - -#![feature(let_chains)] // Avoid inflating `.stderr` with overzealous gates in this test. - -#![allow(irrefutable_let_patterns)] - -use std::ops::Range; - -fn main() {} - -fn _if() { - if (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - if (((let 0 = 1))) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - if (let 0 = 1) && true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - if true && (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - if (let 0 = 1) && (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - - if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement -} - -fn _while() { - while (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - while (((let 0 = 1))) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - while (let 0 = 1) && true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - while true && (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - while (let 0 = 1) && (let 0 = 1) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - - while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement -} - -fn _macros() { - macro_rules! use_expr { - ($e:expr) => { - if $e {} - while $e {} - } - } - use_expr!((let 0 = 1 && 0 == 0)); - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - use_expr!((let 0 = 1)); - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement -} - -fn nested_within_if_expr() { - if &let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - if !let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - if *let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR type `bool` cannot be dereferenced - //~| ERROR expected expression, found `let` statement - if -let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR cannot apply unary operator `-` to type `bool` - //~| ERROR expected expression, found `let` statement - - fn _check_try_binds_tighter() -> Result<(), ()> { - if let 0 = 0? {} - //~^ ERROR the `?` operator can only be applied to values that implement `Try` - Ok(()) - } - if (let 0 = 0)? {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR the `?` operator can only be applied to values that implement `Try` - //~| ERROR the `?` operator can only be used in a function that returns `Result` - //~| ERROR expected expression, found `let` statement - - if true || let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - if (true || let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - if true && (true || let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - if true || (true && let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - let mut x = true; - if x = let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - if true..(let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - if ..(let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - if (let 0 = 0).. {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - // Binds as `(let ... = true)..true &&/|| false`. - if let Range { start: _, end: _ } = true..true && false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - if let Range { start: _, end: _ } = true..true || false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - - // Binds as `(let Range { start: F, end } = F)..(|| true)`. - const F: fn() -> bool = || true; - if let Range { start: F, end } = F..|| true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - //~| ERROR mismatched types - - // Binds as `(let Range { start: true, end } = t)..(&&false)`. - let t = &&true; - if let Range { start: true, end } = t..&&false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - //~| ERROR mismatched types - - if let true = let true = true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement -} - -fn nested_within_while_expr() { - while &let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - while !let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - while *let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR type `bool` cannot be dereferenced - //~| ERROR expected expression, found `let` statement - while -let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR cannot apply unary operator `-` to type `bool` - //~| ERROR expected expression, found `let` statement - - fn _check_try_binds_tighter() -> Result<(), ()> { - while let 0 = 0? {} - //~^ ERROR the `?` operator can only be applied to values that implement `Try` - Ok(()) - } - while (let 0 = 0)? {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR the `?` operator can only be applied to values that implement `Try` - //~| ERROR the `?` operator can only be used in a function that returns `Result` - //~| ERROR expected expression, found `let` statement - - while true || let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - while (true || let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - while true && (true || let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - while true || (true && let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - let mut x = true; - while x = let 0 = 0 {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - while true..(let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - while ..(let 0 = 0) {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - while (let 0 = 0).. {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - // Binds as `(let ... = true)..true &&/|| false`. - while let Range { start: _, end: _ } = true..true && false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - while let Range { start: _, end: _ } = true..true || false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - - // Binds as `(let Range { start: F, end } = F)..(|| true)`. - const F: fn() -> bool = || true; - while let Range { start: F, end } = F..|| true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - //~| ERROR mismatched types - - // Binds as `(let Range { start: true, end } = t)..(&&false)`. - let t = &&true; - while let Range { start: true, end } = t..&&false {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - //~| ERROR mismatched types - - while let true = let true = true {} - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement -} - -fn not_error_because_clarified_intent() { - if let Range { start: _, end: _ } = (true..true || false) { } - - if let Range { start: _, end: _ } = (true..true && false) { } - - while let Range { start: _, end: _ } = (true..true || false) { } - - while let Range { start: _, end: _ } = (true..true && false) { } -} - -fn outside_if_and_while_expr() { - &let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - !let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - *let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR type `bool` cannot be dereferenced - //~| ERROR expected expression, found `let` statement - -let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR cannot apply unary operator `-` to type `bool` - //~| ERROR expected expression, found `let` statement - - fn _check_try_binds_tighter() -> Result<(), ()> { - let 0 = 0?; - //~^ ERROR the `?` operator can only be applied to values that implement `Try` - Ok(()) - } - (let 0 = 0)?; - //~^ ERROR `let` expressions are not supported here - //~| ERROR the `?` operator can only be used in a function that returns `Result` - //~| ERROR the `?` operator can only be applied to values that implement `Try` - //~| ERROR expected expression, found `let` statement - - true || let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - (true || let 0 = 0); - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - true && (true || let 0 = 0); - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - let mut x = true; - x = let 0 = 0; - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - true..(let 0 = 0); - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - ..(let 0 = 0); - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - (let 0 = 0)..; - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - - (let Range { start: _, end: _ } = true..true || false); - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - - (let true = let true = true); - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - - { - #[cfg(FALSE)] - let x = true && let y = 1; - //~^ ERROR expected expression, found `let` statement - } - - #[cfg(FALSE)] - { - [1, 2, 3][let _ = ()] - //~^ ERROR expected expression, found `let` statement - } - - // Check function tail position. - &let 0 = 0 - //~^ ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement -} - -// Let's make sure that `let` inside const generic arguments are considered. -fn inside_const_generic_arguments() { - struct A<const B: bool>; - impl<const B: bool> A<{B}> { const O: u32 = 5; } - - if let A::<{ - true && let 1 = 1 - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - }>::O = 5 {} - - while let A::<{ - true && let 1 = 1 - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - }>::O = 5 {} - - if A::<{ - true && let 1 = 1 - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - }>::O == 5 {} - - // In the cases above we have `ExprKind::Block` to help us out. - // Below however, we would not have a block and so an implementation might go - // from visiting expressions to types without banning `let` expressions down the tree. - // This tests ensures that we are not caught by surprise should the parser - // admit non-IDENT expressions in const generic arguments. - - if A::< - true && let 1 = 1 - //~^ ERROR `let` expressions are not supported here - //~| ERROR expressions must be enclosed in braces - //~| ERROR expected expression, found `let` statement - >::O == 5 {} -} - -fn with_parenthesis() { - let opt = Some(Some(1i32)); - - if (let Some(a) = opt && true) { - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - } - - if (let Some(a) = opt) && true { - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - } - if (let Some(a) = opt) && (let Some(b) = a) { - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - } - if let Some(a) = opt && (true && true) { - } - - if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - } - if (let Some(a) = opt && (let Some(b) = a)) && true { - //~^ ERROR `let` expressions are not supported here - //~| ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - } - if (let Some(a) = opt && (true)) && true { - //~^ ERROR `let` expressions are not supported here - //~| ERROR expected expression, found `let` statement - } - - if (true && (true)) && let Some(a) = opt { - } - if (true) && let Some(a) = opt { - } - if true && let Some(a) = opt { - } - - let fun = || true; - if let true = (true && fun()) && (true) { - } - - #[cfg(FALSE)] - let x = (true && let y = 1); - //~^ ERROR expected expression, found `let` statement - - #[cfg(FALSE)] - { - ([1, 2, 3][let _ = ()]) - //~^ ERROR expected expression, found `let` statement - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr b/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr deleted file mode 100644 index 91c001151..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/disallowed-positions.stderr +++ /dev/null @@ -1,1911 +0,0 @@ -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:29:9 - | -LL | if (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:33:11 - | -LL | if (((let 0 = 1))) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:37:9 - | -LL | if (let 0 = 1) && true {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:41:17 - | -LL | if true && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:45:9 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:45:24 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:51:35 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:51:48 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:51:61 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:61:12 - | -LL | while (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:65:14 - | -LL | while (((let 0 = 1))) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:69:12 - | -LL | while (let 0 = 1) && true {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:73:20 - | -LL | while true && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:77:12 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:77:27 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:83:38 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:83:51 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:83:64 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:110:9 - | -LL | if &let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:115:9 - | -LL | if !let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:118:9 - | -LL | if *let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:122:9 - | -LL | if -let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:132:9 - | -LL | if (let 0 = 0)? {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:138:16 - | -LL | if true || let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:141:17 - | -LL | if (true || let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:144:25 - | -LL | if true && (true || let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:147:25 - | -LL | if true || (true && let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:152:12 - | -LL | if x = let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:157:15 - | -LL | if true..(let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:161:11 - | -LL | if ..(let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:165:9 - | -LL | if (let 0 = 0).. {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:196:19 - | -LL | if let true = let true = true {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:202:12 - | -LL | while &let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:207:12 - | -LL | while !let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:210:12 - | -LL | while *let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:214:12 - | -LL | while -let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:224:12 - | -LL | while (let 0 = 0)? {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:230:19 - | -LL | while true || let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:233:20 - | -LL | while (true || let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:236:28 - | -LL | while true && (true || let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:239:28 - | -LL | while true || (true && let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:244:15 - | -LL | while x = let 0 = 0 {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:249:18 - | -LL | while true..(let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:253:14 - | -LL | while ..(let 0 = 0) {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:257:12 - | -LL | while (let 0 = 0).. {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:288:22 - | -LL | while let true = let true = true {} - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:304:6 - | -LL | &let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:308:6 - | -LL | !let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:311:6 - | -LL | *let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:315:6 - | -LL | -let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:325:6 - | -LL | (let 0 = 0)?; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:331:13 - | -LL | true || let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:334:14 - | -LL | (true || let 0 = 0); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:337:22 - | -LL | true && (true || let 0 = 0); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:342:9 - | -LL | x = let 0 = 0; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:346:12 - | -LL | true..(let 0 = 0); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:349:8 - | -LL | ..(let 0 = 0); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:352:6 - | -LL | (let 0 = 0)..; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:356:6 - | -LL | (let Range { start: _, end: _ } = true..true || false); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:361:6 - | -LL | (let true = let true = true); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:361:17 - | -LL | (let true = let true = true); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:368:25 - | -LL | let x = true && let y = 1; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:374:19 - | -LL | [1, 2, 3][let _ = ()] - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:379:6 - | -LL | &let 0 = 0 - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:391:17 - | -LL | true && let 1 = 1 - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:397:17 - | -LL | true && let 1 = 1 - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:403:17 - | -LL | true && let 1 = 1 - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:415:17 - | -LL | true && let 1 = 1 - | ^^^ - -error: expressions must be enclosed in braces to be used as const generic arguments - --> $DIR/disallowed-positions.rs:415:9 - | -LL | true && let 1 = 1 - | ^^^^^^^^^^^^^^^^^ - | -help: enclose the `const` expression in braces - | -LL | { true && let 1 = 1 } - | + + - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:425:9 - | -LL | if (let Some(a) = opt && true) { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:430:9 - | -LL | if (let Some(a) = opt) && true { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:434:9 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:434:32 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:443:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:443:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:449:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:449:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:455:9 - | -LL | if (let Some(a) = opt && (true)) && true { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:472:22 - | -LL | let x = (true && let y = 1); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:477:20 - | -LL | ([1, 2, 3][let _ = ()]) - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:99:16 - | -LL | use_expr!((let 0 = 1 && 0 == 0)); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/disallowed-positions.rs:103:16 - | -LL | use_expr!((let 0 = 1)); - | ^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:29:9 - | -LL | if (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:29:9 - | -LL | if (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:33:11 - | -LL | if (((let 0 = 1))) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:33:11 - | -LL | if (((let 0 = 1))) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:37:9 - | -LL | if (let 0 = 1) && true {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:37:9 - | -LL | if (let 0 = 1) && true {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:41:17 - | -LL | if true && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:41:17 - | -LL | if true && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:45:9 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:45:9 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:45:24 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:45:24 - | -LL | if (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:51:35 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:51:35 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:51:48 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:51:35 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:51:61 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:51:35 - | -LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:61:12 - | -LL | while (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:61:12 - | -LL | while (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:65:14 - | -LL | while (((let 0 = 1))) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:65:14 - | -LL | while (((let 0 = 1))) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:69:12 - | -LL | while (let 0 = 1) && true {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:69:12 - | -LL | while (let 0 = 1) && true {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:73:20 - | -LL | while true && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:73:20 - | -LL | while true && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:77:12 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:77:12 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:77:27 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:77:27 - | -LL | while (let 0 = 1) && (let 0 = 1) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:83:38 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:83:38 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:83:51 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:83:38 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:83:64 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:83:38 - | -LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:99:16 - | -LL | use_expr!((let 0 = 1 && 0 == 0)); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:99:16 - | -LL | use_expr!((let 0 = 1 && 0 == 0)); - | ^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:99:16 - | -LL | use_expr!((let 0 = 1 && 0 == 0)); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:99:16 - | -LL | use_expr!((let 0 = 1 && 0 == 0)); - | ^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:103:16 - | -LL | use_expr!((let 0 = 1)); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:103:16 - | -LL | use_expr!((let 0 = 1)); - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:103:16 - | -LL | use_expr!((let 0 = 1)); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:103:16 - | -LL | use_expr!((let 0 = 1)); - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:110:9 - | -LL | if &let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:115:9 - | -LL | if !let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:118:9 - | -LL | if *let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:122:9 - | -LL | if -let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:132:9 - | -LL | if (let 0 = 0)? {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:132:9 - | -LL | if (let 0 = 0)? {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:138:16 - | -LL | if true || let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:138:13 - | -LL | if true || let 0 = 0 {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:141:17 - | -LL | if (true || let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:141:14 - | -LL | if (true || let 0 = 0) {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:144:25 - | -LL | if true && (true || let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:144:22 - | -LL | if true && (true || let 0 = 0) {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:147:25 - | -LL | if true || (true && let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:147:17 - | -LL | if true || (true && let 0 = 0) {} - | ^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:152:12 - | -LL | if x = let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:157:15 - | -LL | if true..(let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:157:15 - | -LL | if true..(let 0 = 0) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:161:11 - | -LL | if ..(let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:161:11 - | -LL | if ..(let 0 = 0) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:165:9 - | -LL | if (let 0 = 0).. {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:165:9 - | -LL | if (let 0 = 0).. {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:171:8 - | -LL | if let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:175:8 - | -LL | if let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:182:8 - | -LL | if let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:190:8 - | -LL | if let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:196:19 - | -LL | if let true = let true = true {} - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:202:12 - | -LL | while &let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:207:12 - | -LL | while !let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:210:12 - | -LL | while *let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:214:12 - | -LL | while -let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:224:12 - | -LL | while (let 0 = 0)? {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:224:12 - | -LL | while (let 0 = 0)? {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:230:19 - | -LL | while true || let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:230:16 - | -LL | while true || let 0 = 0 {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:233:20 - | -LL | while (true || let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:233:17 - | -LL | while (true || let 0 = 0) {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:236:28 - | -LL | while true && (true || let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:236:25 - | -LL | while true && (true || let 0 = 0) {} - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:239:28 - | -LL | while true || (true && let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:239:20 - | -LL | while true || (true && let 0 = 0) {} - | ^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:244:15 - | -LL | while x = let 0 = 0 {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:249:18 - | -LL | while true..(let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:249:18 - | -LL | while true..(let 0 = 0) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:253:14 - | -LL | while ..(let 0 = 0) {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:253:14 - | -LL | while ..(let 0 = 0) {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:257:12 - | -LL | while (let 0 = 0).. {} - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:257:12 - | -LL | while (let 0 = 0).. {} - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:263:11 - | -LL | while let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:267:11 - | -LL | while let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:274:11 - | -LL | while let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:282:11 - | -LL | while let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:288:22 - | -LL | while let true = let true = true {} - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:304:6 - | -LL | &let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:308:6 - | -LL | !let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:311:6 - | -LL | *let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:315:6 - | -LL | -let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:325:6 - | -LL | (let 0 = 0)?; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:325:6 - | -LL | (let 0 = 0)?; - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:331:13 - | -LL | true || let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:331:10 - | -LL | true || let 0 = 0; - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:334:14 - | -LL | (true || let 0 = 0); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:334:11 - | -LL | (true || let 0 = 0); - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:337:22 - | -LL | true && (true || let 0 = 0); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `||` operators are not supported in let chain expressions - --> $DIR/disallowed-positions.rs:337:19 - | -LL | true && (true || let 0 = 0); - | ^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:342:9 - | -LL | x = let 0 = 0; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:346:12 - | -LL | true..(let 0 = 0); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:346:12 - | -LL | true..(let 0 = 0); - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:349:8 - | -LL | ..(let 0 = 0); - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:349:8 - | -LL | ..(let 0 = 0); - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:352:6 - | -LL | (let 0 = 0)..; - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:352:6 - | -LL | (let 0 = 0)..; - | ^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:356:6 - | -LL | (let Range { start: _, end: _ } = true..true || false); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:361:6 - | -LL | (let true = let true = true); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:361:6 - | -LL | (let true = let true = true); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:379:6 - | -LL | &let 0 = 0 - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:391:17 - | -LL | true && let 1 = 1 - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:397:17 - | -LL | true && let 1 = 1 - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:403:17 - | -LL | true && let 1 = 1 - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:415:17 - | -LL | true && let 1 = 1 - | ^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:425:9 - | -LL | if (let Some(a) = opt && true) { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:425:9 - | -LL | if (let Some(a) = opt && true) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:430:9 - | -LL | if (let Some(a) = opt) && true { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:430:9 - | -LL | if (let Some(a) = opt) && true { - | ^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:434:9 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:434:9 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:434:32 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:434:32 - | -LL | if (let Some(a) = opt) && (let Some(b) = a) { - | ^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:443:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:443:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:443:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:443:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { - | ^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:449:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:449:9 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:449:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:449:31 - | -LL | if (let Some(a) = opt && (let Some(b) = a)) && true { - | ^^^^^^^^^^^^^^^ - -error: `let` expressions are not supported here - --> $DIR/disallowed-positions.rs:455:9 - | -LL | if (let Some(a) = opt && (true)) && true { - | ^^^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions -note: `let`s wrapped in parentheses are not supported in a context with let chains - --> $DIR/disallowed-positions.rs:455:9 - | -LL | if (let Some(a) = opt && (true)) && true { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:110:8 - | -LL | if &let 0 = 0 {} - | ^^^^^^^^^^ expected `bool`, found `&bool` - | -help: consider removing the borrow - | -LL - if &let 0 = 0 {} -LL + if let 0 = 0 {} - | - -error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:118:8 - | -LL | if *let 0 = 0 {} - | ^^^^^^^^^^ - -error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:122:8 - | -LL | if -let 0 = 0 {} - | ^^^^^^^^^^ cannot apply unary operator `-` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:132:8 - | -LL | if (let 0 = 0)? {} - | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` - | - = help: the trait `Try` is not implemented for `bool` - -error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:132:19 - | -LL | fn nested_within_if_expr() { - | -------------------------- this function should return `Result` or `Option` to accept `?` -... -LL | if (let 0 = 0)? {} - | ^ cannot use the `?` operator in a function that returns `()` - | - = help: the trait `FromResidual<_>` is not implemented for `()` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:152:8 - | -LL | if x = let 0 = 0 {} - | ^^^^^^^^^^^^^ expected `bool`, found `()` - | -help: you might have meant to compare for equality - | -LL | if x == let 0 = 0 {} - | + - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:157:8 - | -LL | if true..(let 0 = 0) {} - | ^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:161:8 - | -LL | if ..(let 0 = 0) {} - | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeTo` - | - = note: expected type `bool` - found struct `RangeTo<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:165:8 - | -LL | if (let 0 = 0).. {} - | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeFrom` - | - = note: expected type `bool` - found struct `RangeFrom<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:171:12 - | -LL | if let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:171:8 - | -LL | if let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:175:12 - | -LL | if let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:175:8 - | -LL | if let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:182:12 - | -LL | if let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` - | | - | expected fn pointer, found struct `std::ops::Range` - | - = note: expected fn pointer `fn() -> bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:182:41 - | -LL | if let Range { start: F, end } = F..|| true {} - | ^^^^^^^ expected `bool`, found closure - | - = note: expected type `bool` - found closure `[closure@$DIR/disallowed-positions.rs:182:41: 182:43]` -help: use parentheses to call this closure - | -LL | if let Range { start: F, end } = F..(|| true)() {} - | + +++ - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:182:8 - | -LL | if let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:190:12 - | -LL | if let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:190:44 - | -LL | if let Range { start: true, end } = t..&&false {} - | ^^^^^^^ expected `bool`, found `&&bool` - | -help: consider removing the `&&` - | -LL - if let Range { start: true, end } = t..&&false {} -LL + if let Range { start: true, end } = t..false {} - | - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:190:8 - | -LL | if let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:128:20 - | -LL | if let 0 = 0? {} - | ^^ the `?` operator cannot be applied to type `{integer}` - | - = help: the trait `Try` is not implemented for `{integer}` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:202:11 - | -LL | while &let 0 = 0 {} - | ^^^^^^^^^^ expected `bool`, found `&bool` - | -help: consider removing the borrow - | -LL - while &let 0 = 0 {} -LL + while let 0 = 0 {} - | - -error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:210:11 - | -LL | while *let 0 = 0 {} - | ^^^^^^^^^^ - -error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:214:11 - | -LL | while -let 0 = 0 {} - | ^^^^^^^^^^ cannot apply unary operator `-` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:224:11 - | -LL | while (let 0 = 0)? {} - | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` - | - = help: the trait `Try` is not implemented for `bool` - -error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:224:22 - | -LL | fn nested_within_while_expr() { - | ----------------------------- this function should return `Result` or `Option` to accept `?` -... -LL | while (let 0 = 0)? {} - | ^ cannot use the `?` operator in a function that returns `()` - | - = help: the trait `FromResidual<_>` is not implemented for `()` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:244:11 - | -LL | while x = let 0 = 0 {} - | ^^^^^^^^^^^^^ expected `bool`, found `()` - | -help: you might have meant to compare for equality - | -LL | while x == let 0 = 0 {} - | + - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:249:11 - | -LL | while true..(let 0 = 0) {} - | ^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:253:11 - | -LL | while ..(let 0 = 0) {} - | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeTo` - | - = note: expected type `bool` - found struct `RangeTo<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:257:11 - | -LL | while (let 0 = 0).. {} - | ^^^^^^^^^^^^^ expected `bool`, found struct `RangeFrom` - | - = note: expected type `bool` - found struct `RangeFrom<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:263:15 - | -LL | while let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:263:11 - | -LL | while let Range { start: _, end: _ } = true..true && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:267:15 - | -LL | while let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:267:11 - | -LL | while let Range { start: _, end: _ } = true..true || false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:274:15 - | -LL | while let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` - | | - | expected fn pointer, found struct `std::ops::Range` - | - = note: expected fn pointer `fn() -> bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:274:44 - | -LL | while let Range { start: F, end } = F..|| true {} - | ^^^^^^^ expected `bool`, found closure - | - = note: expected type `bool` - found closure `[closure@$DIR/disallowed-positions.rs:274:44: 274:46]` -help: use parentheses to call this closure - | -LL | while let Range { start: F, end } = F..(|| true)() {} - | + +++ - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:274:11 - | -LL | while let Range { start: F, end } = F..|| true {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:282:15 - | -LL | while let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:282:47 - | -LL | while let Range { start: true, end } = t..&&false {} - | ^^^^^^^ expected `bool`, found `&&bool` - | -help: consider removing the `&&` - | -LL - while let Range { start: true, end } = t..&&false {} -LL + while let Range { start: true, end } = t..false {} - | - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:282:11 - | -LL | while let Range { start: true, end } = t..&&false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<bool>` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:220:23 - | -LL | while let 0 = 0? {} - | ^^ the `?` operator cannot be applied to type `{integer}` - | - = help: the trait `Try` is not implemented for `{integer}` - -error[E0614]: type `bool` cannot be dereferenced - --> $DIR/disallowed-positions.rs:311:5 - | -LL | *let 0 = 0; - | ^^^^^^^^^^ - -error[E0600]: cannot apply unary operator `-` to type `bool` - --> $DIR/disallowed-positions.rs:315:5 - | -LL | -let 0 = 0; - | ^^^^^^^^^^ cannot apply unary operator `-` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:325:5 - | -LL | (let 0 = 0)?; - | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` - | - = help: the trait `Try` is not implemented for `bool` - -error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) - --> $DIR/disallowed-positions.rs:325:16 - | -LL | fn outside_if_and_while_expr() { - | ------------------------------ this function should return `Result` or `Option` to accept `?` -... -LL | (let 0 = 0)?; - | ^ cannot use the `?` operator in a function that returns `()` - | - = help: the trait `FromResidual<_>` is not implemented for `()` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:356:10 - | -LL | (let Range { start: _, end: _ } = true..true || false); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` - | | - | expected `bool`, found struct `std::ops::Range` - | - = note: expected type `bool` - found struct `std::ops::Range<_>` - -error[E0308]: mismatched types - --> $DIR/disallowed-positions.rs:379:5 - | -LL | fn outside_if_and_while_expr() { - | - help: try adding a return type: `-> &bool` -... -LL | &let 0 = 0 - | ^^^^^^^^^^ expected `()`, found `&bool` - -error[E0277]: the `?` operator can only be applied to values that implement `Try` - --> $DIR/disallowed-positions.rs:321:17 - | -LL | let 0 = 0?; - | ^^ the `?` operator cannot be applied to type `{integer}` - | - = help: the trait `Try` is not implemented for `{integer}` - -error: aborting due to 215 previous errors - -Some errors have detailed explanations: E0277, E0308, E0600, E0614. -For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs deleted file mode 100644 index 2a6c14435..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs +++ /dev/null @@ -1,55 +0,0 @@ -#![feature(let_chains)] - -fn main() { - let opt = Some(1i32); - - let Some(n) = opt else { - return; - }; - let Some(n) = opt && n == 1 else { - //~^ ERROR a `&&` expression cannot be directly assigned in `let...else` - //~| ERROR mismatched types - //~| ERROR mismatched types - return; - }; - let Some(n) = opt && let another = n else { - //~^ ERROR a `&&` expression cannot be directly assigned in `let...else` - //~| ERROR `let` expressions are not supported here - //~| ERROR mismatched types - //~| ERROR mismatched types - //~| ERROR expected expression, found `let` statement - return; - }; - - if let Some(n) = opt else { - //~^ ERROR this `if` expression is missing a block after the condition - return; - }; - if let Some(n) = opt && n == 1 else { - //~^ ERROR this `if` expression is missing a block after the condition - return; - }; - if let Some(n) = opt && let another = n else { - //~^ ERROR this `if` expression is missing a block after the condition - return; - }; - - { - while let Some(n) = opt else { - //~^ ERROR expected `{`, found keyword `else` - return; - }; - } - { - while let Some(n) = opt && n == 1 else { - //~^ ERROR expected `{`, found keyword `else` - return; - }; - } - { - while let Some(n) = opt && let another = n else { - //~^ ERROR expected `{`, found keyword `else` - return; - }; - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr b/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr deleted file mode 100644 index 498a112fa..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.stderr +++ /dev/null @@ -1,142 +0,0 @@ -error: a `&&` expression cannot be directly assigned in `let...else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:9:19 - | -LL | let Some(n) = opt && n == 1 else { - | ^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | let Some(n) = (opt && n == 1) else { - | + + - -error: expected expression, found `let` statement - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:26 - | -LL | let Some(n) = opt && let another = n else { - | ^^^ - -error: a `&&` expression cannot be directly assigned in `let...else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:19 - | -LL | let Some(n) = opt && let another = n else { - | ^^^^^^^^^^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | let Some(n) = (opt && let another = n) else { - | + + - -error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:24:5 - | -LL | if let Some(n) = opt else { - | ^^ - | -help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:24:25 - | -LL | if let Some(n) = opt else { - | ^ - -error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:28:5 - | -LL | if let Some(n) = opt && n == 1 else { - | ^^ - | -help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:28:35 - | -LL | if let Some(n) = opt && n == 1 else { - | ^ - -error: this `if` expression is missing a block after the condition - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:32:5 - | -LL | if let Some(n) = opt && let another = n else { - | ^^ - | -help: add a block here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:32:44 - | -LL | if let Some(n) = opt && let another = n else { - | ^ - -error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:38:33 - | -LL | while let Some(n) = opt else { - | ----- ----------------- ^^^^ expected `{` - | | | - | | this `while` condition successfully parsed - | while parsing the body of this `while` expression - -error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:44:43 - | -LL | while let Some(n) = opt && n == 1 else { - | ----- --------------------------- ^^^^ expected `{` - | | | - | | this `while` condition successfully parsed - | while parsing the body of this `while` expression - -error: expected `{`, found keyword `else` - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:50:52 - | -LL | while let Some(n) = opt && let another = n else { - | ----- ------------------------------------ ^^^^ expected `{` - | | | - | | this `while` condition successfully parsed - | while parsing the body of this `while` expression - -error: `let` expressions are not supported here - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:26 - | -LL | let Some(n) = opt && let another = n else { - | ^^^^^^^^^^^^^^^ - | - = note: only supported directly in conditions of `if` and `while` expressions - -error[E0308]: mismatched types - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:9:19 - | -LL | let Some(n) = opt && n == 1 else { - | ^^^ expected `bool`, found enum `Option` - | - = note: expected type `bool` - found enum `Option<i32>` - -error[E0308]: mismatched types - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:9:9 - | -LL | let Some(n) = opt && n == 1 else { - | ^^^^^^^ ------------- this expression has type `bool` - | | - | expected `bool`, found enum `Option` - | - = note: expected type `bool` - found enum `Option<_>` - -error[E0308]: mismatched types - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:19 - | -LL | let Some(n) = opt && let another = n else { - | ^^^ expected `bool`, found enum `Option` - | - = note: expected type `bool` - found enum `Option<i32>` - -error[E0308]: mismatched types - --> $DIR/ensure-that-let-else-does-not-interact-with-let-chains.rs:15:9 - | -LL | let Some(n) = opt && let another = n else { - | ^^^^^^^ ---------------------- this expression has type `bool` - | | - | expected `bool`, found enum `Option` - | - = note: expected type `bool` - found enum `Option<_>` - -error: aborting due to 14 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs b/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs deleted file mode 100644 index 2b407ef51..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/feature-gate.rs +++ /dev/null @@ -1,62 +0,0 @@ -// gate-test-let_chains - -// Here we test feature gating for ´let_chains`. -// See `disallowed-positions.rs` for the grammar -// defining the language for gated allowed positions. - -#![allow(irrefutable_let_patterns)] - -use std::ops::Range; - -fn _if() { - if let 0 = 1 {} // Stable! - - if true && let 0 = 1 {} - //~^ ERROR `let` expressions in this position are unstable [E0658] - - if let 0 = 1 && true {} - //~^ ERROR `let` expressions in this position are unstable [E0658] - - if let Range { start: _, end: _ } = (true..true) && false {} - //~^ ERROR `let` expressions in this position are unstable [E0658] - - if let 1 = 1 && let true = { true } && false { - //~^ ERROR `let` expressions in this position are unstable [E0658] - //~| ERROR `let` expressions in this position are unstable [E0658] - } -} - -fn _while() { - while let 0 = 1 {} // Stable! - - while true && let 0 = 1 {} - //~^ ERROR `let` expressions in this position are unstable [E0658] - - while let 0 = 1 && true {} - //~^ ERROR `let` expressions in this position are unstable [E0658] - - while let Range { start: _, end: _ } = (true..true) && false {} - //~^ ERROR `let` expressions in this position are unstable [E0658] -} - -fn _macros() { - macro_rules! noop_expr { ($e:expr) => {}; } - - noop_expr!((let 0 = 1)); - //~^ ERROR `let` expressions in this position are unstable [E0658] - //~| ERROR expected expression, found `let` statement - - macro_rules! use_expr { - ($e:expr) => { - if $e {} - while $e {} - } - } - #[cfg(FALSE)] (let 0 = 1); - //~^ ERROR `let` expressions in this position are unstable [E0658] - //~| ERROR expected expression, found `let` statement - use_expr!(let 0 = 1); - //~^ ERROR no rules expected the token `let` -} - -fn main() {} diff --git a/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr b/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr deleted file mode 100644 index 7a43b71fc..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/feature-gate.stderr +++ /dev/null @@ -1,120 +0,0 @@ -error: expected expression, found `let` statement - --> $DIR/feature-gate.rs:55:20 - | -LL | #[cfg(FALSE)] (let 0 = 1); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/feature-gate.rs:45:17 - | -LL | noop_expr!((let 0 = 1)); - | ^^^ - -error: no rules expected the token `let` - --> $DIR/feature-gate.rs:58:15 - | -LL | macro_rules! use_expr { - | --------------------- when calling this macro -... -LL | use_expr!(let 0 = 1); - | ^^^ no rules expected this token in macro call - | -note: while trying to match meta-variable `$e:expr` - --> $DIR/feature-gate.rs:50:10 - | -LL | ($e:expr) => { - | ^^^^^^^ - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:14:16 - | -LL | if true && let 0 = 1 {} - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:17:8 - | -LL | if let 0 = 1 && true {} - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:20:8 - | -LL | if let Range { start: _, end: _ } = (true..true) && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:23:8 - | -LL | if let 1 = 1 && let true = { true } && false { - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:23:21 - | -LL | if let 1 = 1 && let true = { true } && false { - | ^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:32:19 - | -LL | while true && let 0 = 1 {} - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:35:11 - | -LL | while let 0 = 1 && true {} - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:38:11 - | -LL | while let Range { start: _, end: _ } = (true..true) && false {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:55:20 - | -LL | #[cfg(FALSE)] (let 0 = 1); - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/feature-gate.rs:45:17 - | -LL | noop_expr!((let 0 = 1)); - | ^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error: aborting due to 13 previous errors - -For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs b/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs deleted file mode 100644 index a942d1f4c..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.rs +++ /dev/null @@ -1,45 +0,0 @@ -#![feature(let_chains)] - -fn main() { - let _opt = Some(1i32); - - #[cfg(FALSE)] - { - let _ = &&let Some(x) = Some(42); - //~^ ERROR expected expression, found `let` statement - } - #[cfg(FALSE)] - { - if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 { - //~^ ERROR expected expression, found `let` statement - //~| ERROR expected expression, found `let` statement - true - } - } - - #[cfg(FALSE)] - { - if let Some(elem) = _opt && { - [1, 2, 3][let _ = ()]; - //~^ ERROR expected expression, found `let` statement - true - } { - } - } - - #[cfg(FALSE)] - { - if let Some(elem) = _opt && [1, 2, 3][let _ = ()] = 1 { - //~^ ERROR expected expression, found `let` statement - true - } - } - #[cfg(FALSE)] - { - if let a = 1 && { - let x = let y = 1; - //~^ ERROR expected expression, found `let` statement - } { - } - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.stderr b/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.stderr deleted file mode 100644 index d1ce83c72..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/invalid-let-in-a-valid-let-context.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:8:19 - | -LL | let _ = &&let Some(x) = Some(42); - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:13:47 - | -LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:13:57 - | -LL | if let Some(elem) = _opt && [1, 2, 3][let _ = &&let Some(x) = Some(42)] = 1 { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:23:23 - | -LL | [1, 2, 3][let _ = ()]; - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:32:47 - | -LL | if let Some(elem) = _opt && [1, 2, 3][let _ = ()] = 1 { - | ^^^ - -error: expected expression, found `let` statement - --> $DIR/invalid-let-in-a-valid-let-context.rs:40:21 - | -LL | let x = let y = 1; - | ^^^ - -error: aborting due to 6 previous errors - diff --git a/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr b/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr deleted file mode 100644 index be4a52315..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr +++ /dev/null @@ -1,115 +0,0 @@ -error: leading irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:13:8 - | -LL | if let first = &opt && let Some(ref second) = first && let None = second.start {} - | ^^^^^^^^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it outside of the construct -note: the lint level is defined here - --> $DIR/irrefutable-lets.rs:6:30 - | -LL | #![cfg_attr(disallowed, deny(irrefutable_let_patterns))] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -error: irrefutable `if let` patterns - --> $DIR/irrefutable-lets.rs:19:8 - | -LL | if let first = &opt && let (a, b) = (1, 2) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match, so the `if let` is useless - = help: consider replacing the `if let` with a `let` - -error: leading irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:22:8 - | -LL | if let first = &opt && let Some(ref second) = first && let None = second.start && let v = 0 {} - | ^^^^^^^^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it outside of the construct - -error: trailing irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:22:87 - | -LL | if let first = &opt && let Some(ref second) = first && let None = second.start && let v = 0 {} - | ^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it into the body - -error: trailing irrefutable patterns in let chain - --> $DIR/irrefutable-lets.rs:26:37 - | -LL | if let Some(ref first) = opt && let second = first && let _third = second {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match - = help: consider moving them into the body - -error: leading irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:29:8 - | -LL | if let Range { start: local_start, end: _ } = (None..Some(1)) && let None = local_start {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it outside of the construct - -error: leading irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:32:8 - | -LL | if let (a, b, c) = (Some(1), Some(1), Some(1)) && let None = Some(1) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it outside of the construct - -error: leading irrefutable pattern in let chain - --> $DIR/irrefutable-lets.rs:35:8 - | -LL | if let first = &opt && let None = Some(1) {} - | ^^^^^^^^^^^^^^^^ - | - = note: this pattern will always match - = help: consider moving it outside of the construct - -error: irrefutable `if let` guard patterns - --> $DIR/irrefutable-lets.rs:44:28 - | -LL | Some(ref first) if let second = first && let _third = second && let v = 4 + 4 => {}, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match, so the guard is useless - = help: consider removing the guard and adding a `let` inside the match arm - -error: trailing irrefutable patterns in let chain - --> $DIR/irrefutable-lets.rs:59:16 - | -LL | && let v = local_end && let w = v => {}, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match - = help: consider moving them into the body - -error: irrefutable `while let` patterns - --> $DIR/irrefutable-lets.rs:68:11 - | -LL | while let first = &opt && let (a, b) = (1, 2) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match, so the loop will never exit - = help: consider instead using a `loop { ... }` with a `let` inside it - -error: trailing irrefutable patterns in let chain - --> $DIR/irrefutable-lets.rs:71:40 - | -LL | while let Some(ref first) = opt && let second = first && let _third = second {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: these patterns will always match - = help: consider moving them into the body - -error: aborting due to 12 previous errors - diff --git a/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.rs b/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.rs deleted file mode 100644 index 9afb6853b..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/irrefutable-lets.rs +++ /dev/null @@ -1,78 +0,0 @@ -// revisions: allowed disallowed -//[allowed] check-pass - -#![feature(if_let_guard, let_chains)] -#![cfg_attr(allowed, allow(irrefutable_let_patterns))] -#![cfg_attr(disallowed, deny(irrefutable_let_patterns))] - -use std::ops::Range; - -fn main() { - let opt = Some(None..Some(1)); - - if let first = &opt && let Some(ref second) = first && let None = second.start {} - //[disallowed]~^ ERROR leading irrefutable pattern in let chain - - // No lint as the irrefutable pattern is surrounded by other stuff - if 4 * 2 == 0 && let first = &opt && let Some(ref second) = first && let None = second.start {} - - if let first = &opt && let (a, b) = (1, 2) {} - //[disallowed]~^ ERROR irrefutable `if let` patterns - - if let first = &opt && let Some(ref second) = first && let None = second.start && let v = 0 {} - //[disallowed]~^ ERROR leading irrefutable pattern in let chain - //[disallowed]~^^ ERROR trailing irrefutable pattern in let chain - - if let Some(ref first) = opt && let second = first && let _third = second {} - //[disallowed]~^ ERROR trailing irrefutable patterns in let chain - - if let Range { start: local_start, end: _ } = (None..Some(1)) && let None = local_start {} - //[disallowed]~^ ERROR leading irrefutable pattern in let chain - - if let (a, b, c) = (Some(1), Some(1), Some(1)) && let None = Some(1) {} - //[disallowed]~^ ERROR leading irrefutable pattern in let chain - - if let first = &opt && let None = Some(1) {} - //[disallowed]~^ ERROR leading irrefutable pattern in let chain - - if let Some(ref first) = opt - && let Range { start: local_start, end: _ } = first - && let None = local_start { - } - - match opt { - Some(ref first) if let second = first && let _third = second && let v = 4 + 4 => {}, - //[disallowed]~^ ERROR irrefutable `if let` guard patterns - _ => {} - } - - // No error about leading irrefutable patterns: the expr on the rhs might - // use the bindings created by the match. - match opt { - Some(ref first) if let Range { start: local_start, end: _ } = first - && let None = local_start => {}, - _ => {} - } - - match opt { - Some(ref first) if let Range { start: Some(_), end: local_end } = first - && let v = local_end && let w = v => {}, - //[disallowed]~^ ERROR trailing irrefutable patterns in let chain - _ => {} - } - - // No error, despite the prefix being irrefutable: moving out could change the behaviour, - // due to possible side effects of the operation. - while let first = &opt && let Some(ref second) = first && let None = second.start {} - - while let first = &opt && let (a, b) = (1, 2) {} - //[disallowed]~^ ERROR irrefutable `while let` patterns - - while let Some(ref first) = opt && let second = first && let _third = second {} - //[disallowed]~^ ERROR trailing irrefutable patterns in let chain - - while let Some(ref first) = opt - && let Range { start: local_start, end: _ } = first - && let None = local_start { - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-88498.rs b/src/test/ui/rfc-2497-if-let-chains/issue-88498.rs deleted file mode 100644 index 3eb8a9ad0..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-88498.rs +++ /dev/null @@ -1,16 +0,0 @@ -// check-pass - -pub enum UnOp { - Not(Vec<()>), -} - -pub fn foo() { - if let Some(x) = None { - match x { - UnOp::Not(_) => {} - } - } -} - -fn main() { -} diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-90722.rs b/src/test/ui/rfc-2497-if-let-chains/issue-90722.rs deleted file mode 100644 index 6b7d88356..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-90722.rs +++ /dev/null @@ -1,11 +0,0 @@ -// check-pass - -#![feature(let_chains)] - -fn main() { - let x = Some(vec!["test"]); - - if let Some(v) = x && v.is_empty() { - println!("x == Some([])"); - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-92145.rs b/src/test/ui/rfc-2497-if-let-chains/issue-92145.rs deleted file mode 100644 index 7c7e31f4d..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-92145.rs +++ /dev/null @@ -1,11 +0,0 @@ -// check-pass - -#![feature(let_chains)] - -fn main() { - let opt = Some("foo bar"); - - if true && let Some(x) = opt { - println!("{}", x); - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-93150.rs b/src/test/ui/rfc-2497-if-let-chains/issue-93150.rs deleted file mode 100644 index f90b9ab0d..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-93150.rs +++ /dev/null @@ -1,8 +0,0 @@ -fn main() { - match true { - _ if let true = true && true => {} - //~^ ERROR `if let` guards are - //~| ERROR `let` expressions in this - _ => {} - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-93150.stderr b/src/test/ui/rfc-2497-if-let-chains/issue-93150.stderr deleted file mode 100644 index b25f299a2..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-93150.stderr +++ /dev/null @@ -1,22 +0,0 @@ -error[E0658]: `if let` guards are experimental - --> $DIR/issue-93150.rs:3:11 - | -LL | _ if let true = true && true => {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #51114 <https://github.com/rust-lang/rust/issues/51114> for more information - = help: add `#![feature(if_let_guard)]` to the crate attributes to enable - = help: you can write `if matches!(<expr>, <pattern>)` instead of `if let <pattern> = <expr>` - -error[E0658]: `let` expressions in this position are unstable - --> $DIR/issue-93150.rs:3:14 - | -LL | _ if let true = true && true => {} - | ^^^^^^^^^^^^^^^ - | - = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information - = help: add `#![feature(let_chains)]` to the crate attributes to enable - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2497-if-let-chains/issue-99938.rs b/src/test/ui/rfc-2497-if-let-chains/issue-99938.rs deleted file mode 100644 index bd81ce0b1..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/issue-99938.rs +++ /dev/null @@ -1,31 +0,0 @@ -// compile-flags: -Zvalidate-mir -C opt-level=3 -// build-pass -#![feature(let_chains)] -struct TupleIter<T, I: Iterator<Item = T>> { - inner: I, -} - -impl<T, I: Iterator<Item = T>> Iterator for TupleIter<T, I> { - type Item = (T, T, T); - - fn next(&mut self) -> Option<Self::Item> { - let inner = &mut self.inner; - - if let Some(first) = inner.next() - && let Some(second) = inner.next() - && let Some(third) = inner.next() - { - Some((first, second, third)) - } else { - None - } - } -} - -fn main() { - let vec: Vec<u8> = Vec::new(); - let mut tup_iter = TupleIter { - inner: vec.into_iter(), - }; - tup_iter.next(); -} diff --git a/src/test/ui/rfc-2497-if-let-chains/no-double-assigments.rs b/src/test/ui/rfc-2497-if-let-chains/no-double-assigments.rs deleted file mode 100644 index 6b91c455e..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/no-double-assigments.rs +++ /dev/null @@ -1,9 +0,0 @@ -// check-pass - -fn main() { - loop { - // [1][0] should leave top scope - if true && [1][0] == 1 && true { - } - } -} diff --git a/src/test/ui/rfc-2497-if-let-chains/protect-precedences.rs b/src/test/ui/rfc-2497-if-let-chains/protect-precedences.rs deleted file mode 100644 index fcc09b159..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/protect-precedences.rs +++ /dev/null @@ -1,17 +0,0 @@ -// run-pass - -#![allow(irrefutable_let_patterns)] - -fn main() { - let x: bool; - // This should associate as: `(x = (true && false));`. - x = true && false; - assert!(!x); - - fn _f1() -> bool { - // Should associate as `(let _ = (return (true && false)))`. - if let _ = return true && false {}; - //~^ WARNING unreachable block in `if` - } - assert!(!_f1()); -} diff --git a/src/test/ui/rfc-2497-if-let-chains/protect-precedences.stderr b/src/test/ui/rfc-2497-if-let-chains/protect-precedences.stderr deleted file mode 100644 index 24b35a2ab..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/protect-precedences.stderr +++ /dev/null @@ -1,12 +0,0 @@ -warning: unreachable block in `if` or `while` expression - --> $DIR/protect-precedences.rs:13:41 - | -LL | if let _ = return true && false {}; - | -------------------- ^^ unreachable block in `if` or `while` expression - | | - | any code following this expression is unreachable - | - = note: `#[warn(unreachable_code)]` on by default - -warning: 1 warning emitted - diff --git a/src/test/ui/rfc-2497-if-let-chains/then-else-blocks.rs b/src/test/ui/rfc-2497-if-let-chains/then-else-blocks.rs deleted file mode 100644 index e061174f6..000000000 --- a/src/test/ui/rfc-2497-if-let-chains/then-else-blocks.rs +++ /dev/null @@ -1,49 +0,0 @@ -// run-pass - -#![feature(if_let_guard, let_chains)] - -fn check_if_let(opt: Option<Option<Option<i32>>>, value: i32) -> bool { - if let Some(first) = opt - && let Some(second) = first - && let Some(third) = second - && third == value - { - true - } - else { - false - } -} - -fn check_let_guard(opt: Option<Option<Option<i32>>>, value: i32) -> bool { - match opt { - Some(first) if let Some(second) = first && let Some(third) = second && third == value => { - true - } - _ => { - false - } - } -} - -fn check_while_let(opt: Option<Option<Option<i32>>>, value: i32) -> bool { - while let Some(first) = opt - && let Some(second) = first - && let Some(third) = second - && third == value - { - return true; - } - false -} - -fn main() { - assert_eq!(check_if_let(Some(Some(Some(1))), 1), true); - assert_eq!(check_if_let(Some(Some(Some(1))), 9), false); - - assert_eq!(check_let_guard(Some(Some(Some(1))), 1), true); - assert_eq!(check_let_guard(Some(Some(Some(1))), 9), false); - - assert_eq!(check_while_let(Some(Some(Some(1))), 1), true); - assert_eq!(check_while_let(Some(Some(Some(1))), 9), false); -} |