diff options
Diffstat (limited to 'src/test/ui/regions')
18 files changed, 159 insertions, 11 deletions
diff --git a/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.rs b/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.rs new file mode 100644 index 000000000..a1e801e39 --- /dev/null +++ b/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.rs @@ -0,0 +1,12 @@ +pub trait T {} + +struct S<'a>(&'a ()); + +impl<'a> T for S<'a> {} + +fn foo() -> impl T { + let x = (); + S(&x) //~ ERROR `x` does not live long enough +} + +fn main() {} diff --git a/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.stderr b/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.stderr new file mode 100644 index 000000000..6ea238f30 --- /dev/null +++ b/src/test/ui/regions/do-not-suggest-adding-bound-to-opaque-type.stderr @@ -0,0 +1,14 @@ +error[E0597]: `x` does not live long enough + --> $DIR/do-not-suggest-adding-bound-to-opaque-type.rs:9:7 + | +LL | S(&x) + | --^^- + | | | + | | borrowed value does not live long enough + | opaque type requires that `x` is borrowed for `'static` +LL | } + | - `x` dropped here while still borrowed + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0597`. diff --git a/src/test/ui/regions/issue-101280.rs b/src/test/ui/regions/issue-101280.rs new file mode 100644 index 000000000..29f158366 --- /dev/null +++ b/src/test/ui/regions/issue-101280.rs @@ -0,0 +1,10 @@ +use std::cell::Cell; + +type Ty = for<'r> fn(Cell<(&'r i32, &'r i32)>); + +fn f<'r>(f: fn(Cell<(&'r i32, &i32)>)) -> Ty { + f + //~^ ERROR mismatched types +} + +fn main() {} diff --git a/src/test/ui/regions/issue-101280.stderr b/src/test/ui/regions/issue-101280.stderr new file mode 100644 index 000000000..320d008ae --- /dev/null +++ b/src/test/ui/regions/issue-101280.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/issue-101280.rs:6:5 + | +LL | fn f<'r>(f: fn(Cell<(&'r i32, &i32)>)) -> Ty { + | -- expected `for<'r> fn(Cell<(&'r i32, &'r i32)>)` because of return type +LL | f + | ^ one type is more general than the other + | + = note: expected fn pointer `for<'r> fn(Cell<(&'r i32, &'r i32)>)` + found fn pointer `for<'a> fn(Cell<(&'r i32, &'a i32)>)` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/regions/issue-102374.rs b/src/test/ui/regions/issue-102374.rs new file mode 100644 index 000000000..e0a116421 --- /dev/null +++ b/src/test/ui/regions/issue-102374.rs @@ -0,0 +1,20 @@ +use std::cell::Cell; + +#[rustfmt::skip] +fn f( + f: for<'a, 'b, 'c, 'd, 'e, 'f, 'g, + 'h, 'i, 'j, 'k, 'l, 'm, 'n, + 'o, 'p, 'q, 'r, 's, 't, 'u, + 'v, 'w, 'x, 'y, 'z, 'z0> + fn(Cell<(& i32, &'a i32, &'b i32, &'c i32, &'d i32, + &'e i32, &'f i32, &'g i32, &'h i32, &'i i32, + &'j i32, &'k i32, &'l i32, &'m i32, &'n i32, + &'o i32, &'p i32, &'q i32, &'r i32, &'s i32, + &'t i32, &'u i32, &'v i32, &'w i32, &'x i32, + &'y i32, &'z i32, &'z0 i32)>), +) -> i32 { + f + //~^ ERROR mismatched types +} + +fn main() {} diff --git a/src/test/ui/regions/issue-102374.stderr b/src/test/ui/regions/issue-102374.stderr new file mode 100644 index 000000000..31b855c36 --- /dev/null +++ b/src/test/ui/regions/issue-102374.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/issue-102374.rs:16:5 + | +LL | ) -> i32 { + | --- expected `i32` because of return type +LL | f + | ^ expected `i32`, found fn pointer + | + = note: expected type `i32` + found fn pointer `for<'z1, 'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'l, 'm, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x, 'y, 'z, 'z0> fn(Cell<(&'z1 i32, &'a i32, &'b i32, &'c i32, &'d i32, &'e i32, &'f i32, &'g i32, &'h i32, &'i i32, &'j i32, &'k i32, &'l i32, &'m i32, &'n i32, &'o i32, &'p i32, &'q i32, &'r i32, &'s i32, &'t i32, &'u i32, &'v i32, &'w i32, &'x i32, &'y i32, &'z i32, &'z0 i32)>)` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/regions/issue-102392.rs b/src/test/ui/regions/issue-102392.rs new file mode 100644 index 000000000..87cc1a8e7 --- /dev/null +++ b/src/test/ui/regions/issue-102392.rs @@ -0,0 +1,6 @@ +fn g(f: for<'a> fn(fn(&str, &'a str))) -> bool { + f + //~^ ERROR mismatched types +} + +fn main() {} diff --git a/src/test/ui/regions/issue-102392.stderr b/src/test/ui/regions/issue-102392.stderr new file mode 100644 index 000000000..56f4c0c5d --- /dev/null +++ b/src/test/ui/regions/issue-102392.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/issue-102392.rs:2:5 + | +LL | fn g(f: for<'a> fn(fn(&str, &'a str))) -> bool { + | ---- expected `bool` because of return type +LL | f + | ^ expected `bool`, found fn pointer + | + = note: expected type `bool` + found fn pointer `for<'a> fn(for<'b> fn(&'b str, &'a str))` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs b/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs index bdd1ae91f..a8f7a41c4 100644 --- a/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs +++ b/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs @@ -5,7 +5,7 @@ // by the function. // // This works today, which precludes changing things so that closures -// follow the same lifetime-elision rules used elsehwere. See +// follow the same lifetime-elision rules used elsewhere. See // rust-lang/rust#56537 // check-pass diff --git a/src/test/ui/regions/outlives-with-missing.rs b/src/test/ui/regions/outlives-with-missing.rs new file mode 100644 index 000000000..29d89718b --- /dev/null +++ b/src/test/ui/regions/outlives-with-missing.rs @@ -0,0 +1,16 @@ +trait HandlerFamily { + type Target; +} + +struct HandlerWrapper<H: HandlerFamily>(H); + +impl<H: HandlerFamily> HandlerWrapper<H> { + pub fn set_handler(&self, handler: &H::Target) + where + T: Send + Sync + 'static, + //~^ ERROR cannot find type `T` in this scope + { + } +} + +fn main() {} diff --git a/src/test/ui/regions/outlives-with-missing.stderr b/src/test/ui/regions/outlives-with-missing.stderr new file mode 100644 index 000000000..e204c9187 --- /dev/null +++ b/src/test/ui/regions/outlives-with-missing.stderr @@ -0,0 +1,12 @@ +error[E0412]: cannot find type `T` in this scope + --> $DIR/outlives-with-missing.rs:10:9 + | +LL | impl<H: HandlerFamily> HandlerWrapper<H> { + | - similarly named type parameter `H` defined here +... +LL | T: Send + Sync + 'static, + | ^ help: a type parameter with a similar name exists: `H` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/src/test/ui/regions/region-bound-on-closure-outlives-call.stderr b/src/test/ui/regions/region-bound-on-closure-outlives-call.stderr index a2396ad42..ea43dde11 100644 --- a/src/test/ui/regions/region-bound-on-closure-outlives-call.stderr +++ b/src/test/ui/regions/region-bound-on-closure-outlives-call.stderr @@ -7,8 +7,8 @@ LL | LL | (|x| f(x))(call_rec(f)) | ----------- recursive call site | - = note: `#[warn(unconditional_recursion)]` on by default = help: a `loop` may express intention better if this is on purpose + = note: `#[warn(unconditional_recursion)]` on by default error[E0505]: cannot move out of `f` because it is borrowed --> $DIR/region-bound-on-closure-outlives-call.rs:3:25 diff --git a/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.stderr b/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.stderr index 48f2e1a2f..3b62c7b61 100644 --- a/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.stderr +++ b/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.stderr @@ -4,8 +4,8 @@ error[E0308]: mismatched types LL | let _: fn(&mut &isize, &mut &isize) = a; | ^ one type is more general than the other | - = note: expected fn pointer `for<'r, 's, 't0, 't1> fn(&'r mut &'s isize, &'t0 mut &'t1 isize)` - found fn item `for<'r, 's> fn(&'r mut &isize, &'s mut &isize) {a::<'_, '_>}` + = note: expected fn pointer `for<'a, 'b, 'c, 'd> fn(&'a mut &'b isize, &'c mut &'d isize)` + found fn item `for<'a, 'b> fn(&'a mut &isize, &'b mut &isize) {a::<'_, '_>}` error: aborting due to previous error diff --git a/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.stderr b/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.stderr index 36f40cd9a..8a18a234b 100644 --- a/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.stderr +++ b/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.stderr @@ -4,8 +4,8 @@ error[E0308]: mismatched types LL | let _: fn(&mut &isize, &mut &isize, &mut &isize) = a; | ^ one type is more general than the other | - = note: expected fn pointer `for<'r, 's, 't0, 't1, 't2, 't3> fn(&'r mut &'s isize, &'t0 mut &'t1 isize, &'t2 mut &'t3 isize)` - found fn item `for<'r, 's, 't0> fn(&'r mut &isize, &'s mut &isize, &'t0 mut &isize) {a::<'_, '_, '_>}` + = note: expected fn pointer `for<'a, 'b, 'c, 'd, 'e, 'f> fn(&'a mut &'b isize, &'c mut &'d isize, &'e mut &'f isize)` + found fn item `for<'a, 'b, 'c> fn(&'a mut &isize, &'b mut &isize, &'c mut &isize) {a::<'_, '_, '_>}` error: aborting due to previous error diff --git a/src/test/ui/regions/regions-fn-subtyping-return-static-fail.stderr b/src/test/ui/regions/regions-fn-subtyping-return-static-fail.stderr index d87d0d2f6..8d82ff958 100644 --- a/src/test/ui/regions/regions-fn-subtyping-return-static-fail.stderr +++ b/src/test/ui/regions/regions-fn-subtyping-return-static-fail.stderr @@ -7,7 +7,7 @@ LL | want_G(baz); | arguments to this function are incorrect | = note: expected fn pointer `for<'cx> fn(&'cx S) -> &'static S` - found fn item `for<'r> fn(&'r S) -> &'r S {baz}` + found fn item `for<'a> fn(&'a S) -> &'a S {baz}` note: function defined here --> $DIR/regions-fn-subtyping-return-static-fail.rs:20:4 | diff --git a/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs b/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs index c1dab6086..110635203 100644 --- a/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs +++ b/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs @@ -19,7 +19,8 @@ trait Trait2<'a, 'b> { // since for it to be WF, we would need to know that `'y: 'x`, but we // do not infer that. fn callee<'x, 'y, T>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) - //~^ the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied + //~^ ERROR the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied + //~| ERROR the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied { } diff --git a/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr b/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr index 6844e8665..66f592c34 100644 --- a/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr +++ b/src/test/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr @@ -1,4 +1,19 @@ error[E0277]: the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied + --> $DIR/regions-implied-bounds-projection-gap-hr-1.rs:21:1 + | +LL | / fn callee<'x, 'y, T>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) +LL | | +LL | | +LL | | { +LL | | } + | |_^ the trait `for<'z> Trait2<'y, 'z>` is not implemented for `T` + | +help: consider restricting type parameter `T` + | +LL | fn callee<'x, 'y, T: for<'z> Trait2<'y, 'z>>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) + | ++++++++++++++++++++++++ + +error[E0277]: the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied --> $DIR/regions-implied-bounds-projection-gap-hr-1.rs:21:49 | LL | fn callee<'x, 'y, T>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) @@ -9,6 +24,6 @@ help: consider restricting type parameter `T` LL | fn callee<'x, 'y, T: for<'z> Trait2<'y, 'z>>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) | ++++++++++++++++++++++++ -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/regions/regions-lifetime-bounds-on-fns.stderr b/src/test/ui/regions/regions-lifetime-bounds-on-fns.stderr index a0daf58c6..17a901943 100644 --- a/src/test/ui/regions/regions-lifetime-bounds-on-fns.stderr +++ b/src/test/ui/regions/regions-lifetime-bounds-on-fns.stderr @@ -4,8 +4,8 @@ error[E0308]: mismatched types LL | let _: fn(&mut &isize, &mut &isize) = a; | ^ one type is more general than the other | - = note: expected fn pointer `for<'r, 's, 't0, 't1> fn(&'r mut &'s isize, &'t0 mut &'t1 isize)` - found fn item `for<'r, 's> fn(&'r mut &isize, &'s mut &isize) {a::<'_, '_>}` + = note: expected fn pointer `for<'a, 'b, 'c, 'd> fn(&'a mut &'b isize, &'c mut &'d isize)` + found fn item `for<'a, 'b> fn(&'a mut &isize, &'b mut &isize) {a::<'_, '_>}` error: aborting due to previous error |