diff options
Diffstat (limited to 'tests/ui/rfc-2632-const-trait-impl')
15 files changed, 295 insertions, 227 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr b/tests/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr index 706f52343..a28d6ce05 100644 --- a/tests/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr @@ -1,21 +1,14 @@ error[E0277]: the trait bound `S: ~const Foo` is not satisfied - --> $DIR/call-generic-method-nonconst.rs:23:34 + --> $DIR/call-generic-method-nonconst.rs:23:22 | LL | pub const EQ: bool = equals_self(&S); - | ----------- ^^ the trait `~const Foo` is not implemented for `S` - | | - | required by a bound introduced by this call + | ^^^^^^^^^^^^^^^ the trait `~const Foo` is not implemented for `S` | note: the trait `Foo` is implemented for `S`, but that implementation is not `const` - --> $DIR/call-generic-method-nonconst.rs:23:34 + --> $DIR/call-generic-method-nonconst.rs:23:22 | LL | pub const EQ: bool = equals_self(&S); - | ^^ -note: required by a bound in `equals_self` - --> $DIR/call-generic-method-nonconst.rs:16:25 - | -LL | const fn equals_self<T: ~const Foo>(t: &T) -> bool { - | ^^^^^^^^^^ required by this bound in `equals_self` + | ^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr index 4470e287c..ffc24ec6e 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr @@ -1,22 +1,15 @@ error[E0277]: the trait bound `(): ~const Tr` is not satisfied in `fn(()) -> i32 {<() as Tr>::a}` - --> $DIR/const-closure-trait-method-fail.rs:16:42 + --> $DIR/const-closure-trait-method-fail.rs:16:23 | LL | const _: () = assert!(need_const_closure(Tr::a) == 42); - | ------------------ ^^^^^ within `fn(()) -> i32 {<() as Tr>::a}`, the trait `~const Tr` is not implemented for `()` - | | - | required by a bound introduced by this call + | ^^^^^^^^^^^^^^^^^^^^^^^^^ within `fn(()) -> i32 {<() as Tr>::a}`, the trait `~const Tr` is not implemented for `()` | note: the trait `Tr` is implemented for `()`, but that implementation is not `const` - --> $DIR/const-closure-trait-method-fail.rs:16:42 + --> $DIR/const-closure-trait-method-fail.rs:16:23 | LL | const _: () = assert!(need_const_closure(Tr::a) == 42); - | ^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ = note: required because it appears within the type `fn(()) -> i32 {<() as Tr>::a}` -note: required by a bound in `need_const_closure` - --> $DIR/const-closure-trait-method-fail.rs:12:32 - | -LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 { - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `need_const_closure` error: aborting due to previous error diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.precise.stderr b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.precise.stderr new file mode 100644 index 000000000..bcdc80f82 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.precise.stderr @@ -0,0 +1,50 @@ +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail-2.rs:31:23 + | +LL | const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail-2.rs:31:23 + | +LL | const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail-2.rs:21:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail-2.rs:33:5 + | +LL | ConstDropImplWithBounds(PhantomData) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail-2.rs:33:5 + | +LL | ConstDropImplWithBounds(PhantomData) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail-2.rs:21:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + --> $DIR/const-drop-fail-2.rs:39:9 + | +LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { + | ^^^^^^^^ + | +note: the implementor must specify the same requirement + --> $DIR/const-drop-fail-2.rs:37:1 + | +LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0277, E0367. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.rs b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.rs new file mode 100644 index 000000000..6a252c5d3 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.rs @@ -0,0 +1,46 @@ +// revisions: stock precise +#![feature(const_trait_impl)] +#![feature(const_mut_refs)] +#![cfg_attr(precise, feature(const_precise_live_drops))] + +use std::marker::{Destruct, PhantomData}; + +struct NonTrivialDrop; + +impl Drop for NonTrivialDrop { + fn drop(&mut self) { + println!("Non trivial drop"); + } +} + +#[const_trait] +trait A { fn a() { } } + +impl A for NonTrivialDrop {} + +struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + +impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { + fn drop(&mut self) { + T::a(); + } +} + +const fn check<T: ~const Destruct>(_: T) {} + +const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + //~^ ERROR the trait bound + ConstDropImplWithBounds(PhantomData) + //~^ ERROR the trait bound +); + +struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + +impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { +//~^ ERROR `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + fn drop(&mut self) { + T::a(); + } +} + +fn main() {} diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.stock.stderr b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.stock.stderr new file mode 100644 index 000000000..bcdc80f82 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail-2.stock.stderr @@ -0,0 +1,50 @@ +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail-2.rs:31:23 + | +LL | const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail-2.rs:31:23 + | +LL | const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail-2.rs:21:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail-2.rs:33:5 + | +LL | ConstDropImplWithBounds(PhantomData) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail-2.rs:33:5 + | +LL | ConstDropImplWithBounds(PhantomData) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail-2.rs:21:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + --> $DIR/const-drop-fail-2.rs:39:9 + | +LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { + | ^^^^^^^^ + | +note: the implementor must specify the same requirement + --> $DIR/const-drop-fail-2.rs:37:1 + | +LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0277, E0367. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr index 796c0d388..40caada51 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr @@ -1,99 +1,58 @@ error[E0277]: can't drop `NonTrivialDrop` in const contexts - --> $DIR/const-drop-fail.rs:44:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call +LL | const _: () = check($exp); + | ^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` ... -LL | NonTrivialDrop, - | ^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation | - = note: the trait bound `NonTrivialDrop: ~const Destruct` is not satisfied -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 - | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` -help: consider borrowing here +note: the trait `Destruct` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail.rs:26:23 | -LL | &NonTrivialDrop, - | + -LL | &mut NonTrivialDrop, - | ++++ +LL | const _: () = check($exp); + | ^^^^^^^^^^^ +... +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation + = note: this error originates in the macro `check_all` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: can't drop `NonTrivialDrop` in const contexts - --> $DIR/const-drop-fail.rs:46:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call +LL | const _: () = check($exp); + | ^^^^^^^^^^^ within `ConstImplWithDropGlue`, the trait `~const Destruct` is not implemented for `NonTrivialDrop` ... -LL | ConstImplWithDropGlue(NonTrivialDrop), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `ConstImplWithDropGlue`, the trait `~const Destruct` is not implemented for `NonTrivialDrop` +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation | note: the trait `Destruct` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:46:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | ConstImplWithDropGlue(NonTrivialDrop), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | const _: () = check($exp); + | ^^^^^^^^^^^ +... +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation note: required because it appears within the type `ConstImplWithDropGlue` --> $DIR/const-drop-fail.rs:16:8 | LL | struct ConstImplWithDropGlue(NonTrivialDrop); | ^^^^^^^^^^^^^^^^^^^^^ -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 - | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` - -error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied - --> $DIR/const-drop-fail.rs:48:47 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ----------------------------------------- ^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` - | | - | required by a bound introduced by this call - | -note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:48:47 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^ -note: required by a bound in `ConstDropImplWithBounds` - --> $DIR/const-drop-fail.rs:27:35 - | -LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); - | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` - -error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied - --> $DIR/const-drop-fail.rs:48:5 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` - | -note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:48:5 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -note: required by a bound in `ConstDropImplWithBounds` - --> $DIR/const-drop-fail.rs:27:35 - | -LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); - | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` - -error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not - --> $DIR/const-drop-fail.rs:55:9 - | -LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { - | ^^^^^^^^ - | -note: the implementor must specify the same requirement - --> $DIR/const-drop-fail.rs:53:1 - | -LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: this error originates in the macro `check_all` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 5 previous errors +error: aborting due to 2 previous errors -Some errors have detailed explanations: E0277, E0367. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.rs b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.rs index d36c7f81c..c4bdb9ef5 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.rs +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.rs @@ -19,44 +19,19 @@ impl const Drop for ConstImplWithDropGlue { fn drop(&mut self) {} } -#[const_trait] -trait A { fn a() { } } - -impl A for NonTrivialDrop {} - -struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); - -impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { - fn drop(&mut self) { - T::a(); - } -} - const fn check<T: ~const Destruct>(_: T) {} macro_rules! check_all { ($($exp:expr),*$(,)?) => {$( const _: () = check($exp); + //~^ ERROR can't drop + //~| ERROR can't drop )*}; } check_all! { NonTrivialDrop, - //~^ ERROR can't drop ConstImplWithDropGlue(NonTrivialDrop), - //~^ ERROR can't drop - ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - //~^ ERROR the trait bound - //~| ERROR the trait bound -} - -struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); - -impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { -//~^ ERROR `Drop` impl requires `T: ~const A` but the struct it is implemented for does not - fn drop(&mut self) { - T::a(); - } } fn main() {} diff --git a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr index 796c0d388..40caada51 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr @@ -1,99 +1,58 @@ error[E0277]: can't drop `NonTrivialDrop` in const contexts - --> $DIR/const-drop-fail.rs:44:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call +LL | const _: () = check($exp); + | ^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` ... -LL | NonTrivialDrop, - | ^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `NonTrivialDrop` +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation | - = note: the trait bound `NonTrivialDrop: ~const Destruct` is not satisfied -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 - | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` -help: consider borrowing here +note: the trait `Destruct` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail.rs:26:23 | -LL | &NonTrivialDrop, - | + -LL | &mut NonTrivialDrop, - | ++++ +LL | const _: () = check($exp); + | ^^^^^^^^^^^ +... +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation + = note: this error originates in the macro `check_all` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: can't drop `NonTrivialDrop` in const contexts - --> $DIR/const-drop-fail.rs:46:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call +LL | const _: () = check($exp); + | ^^^^^^^^^^^ within `ConstImplWithDropGlue`, the trait `~const Destruct` is not implemented for `NonTrivialDrop` ... -LL | ConstImplWithDropGlue(NonTrivialDrop), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `ConstImplWithDropGlue`, the trait `~const Destruct` is not implemented for `NonTrivialDrop` +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation | note: the trait `Destruct` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:46:5 + --> $DIR/const-drop-fail.rs:26:23 | -LL | ConstImplWithDropGlue(NonTrivialDrop), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | const _: () = check($exp); + | ^^^^^^^^^^^ +... +LL | / check_all! { +LL | | NonTrivialDrop, +LL | | ConstImplWithDropGlue(NonTrivialDrop), +LL | | } + | |_- in this macro invocation note: required because it appears within the type `ConstImplWithDropGlue` --> $DIR/const-drop-fail.rs:16:8 | LL | struct ConstImplWithDropGlue(NonTrivialDrop); | ^^^^^^^^^^^^^^^^^^^^^ -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 - | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` - -error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied - --> $DIR/const-drop-fail.rs:48:47 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ----------------------------------------- ^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` - | | - | required by a bound introduced by this call - | -note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:48:47 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^ -note: required by a bound in `ConstDropImplWithBounds` - --> $DIR/const-drop-fail.rs:27:35 - | -LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); - | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` - -error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied - --> $DIR/const-drop-fail.rs:48:5 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` - | -note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` - --> $DIR/const-drop-fail.rs:48:5 - | -LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -note: required by a bound in `ConstDropImplWithBounds` - --> $DIR/const-drop-fail.rs:27:35 - | -LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); - | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` - -error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not - --> $DIR/const-drop-fail.rs:55:9 - | -LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { - | ^^^^^^^^ - | -note: the implementor must specify the same requirement - --> $DIR/const-drop-fail.rs:53:1 - | -LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: this error originates in the macro `check_all` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 5 previous errors +error: aborting due to 2 previous errors -Some errors have detailed explanations: E0277, E0367. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs index 92843a8a2..ed6699f37 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs +++ b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs @@ -9,5 +9,6 @@ impl Default for A { #[derive_const(Default)] pub struct S(A); //~^ cannot call non-const fn +//~| the trait bound fn main() {} diff --git a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr index 96e0c78b9..653037ef3 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr @@ -1,3 +1,25 @@ +error[E0277]: the trait bound `A: Default` is not satisfied + --> $DIR/derive-const-non-const-type.rs:10:14 + | +LL | #[derive_const(Default)] + | ------- in this derive macro expansion +LL | pub struct S(A); + | ^ the trait `~const Default` is not implemented for `A` + | +note: the trait `Default` is implemented for `A`, but that implementation is not `const` + --> $DIR/derive-const-non-const-type.rs:10:14 + | +LL | #[derive_const(Default)] + | ------- in this derive macro expansion +LL | pub struct S(A); + | ^ + = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `A` with `#[derive(Default)]` + | +LL + #[derive(Default)] +LL | pub struct A; + | + error[E0015]: cannot call non-const fn `<A as Default>::default` in constant functions --> $DIR/derive-const-non-const-type.rs:10:14 | @@ -10,6 +32,7 @@ LL | pub struct S(A); = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to previous error +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0015`. +Some errors have detailed explanations: E0015, E0277. +For more information about an error, try `rustc --explain E0015`. diff --git a/tests/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr b/tests/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr index a244ab10c..26644f72c 100644 --- a/tests/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr @@ -1,19 +1,14 @@ error[E0277]: the trait bound `(): ~const Tr` is not satisfied - --> $DIR/default-method-body-is-const-body-checking.rs:12:15 + --> $DIR/default-method-body-is-const-body-checking.rs:12:9 | LL | foo::<()>(); - | ^^ the trait `~const Tr` is not implemented for `()` + | ^^^^^^^^^^^ the trait `~const Tr` is not implemented for `()` | note: the trait `Tr` is implemented for `()`, but that implementation is not `const` - --> $DIR/default-method-body-is-const-body-checking.rs:12:15 + --> $DIR/default-method-body-is-const-body-checking.rs:12:9 | LL | foo::<()>(); - | ^^ -note: required by a bound in `foo` - --> $DIR/default-method-body-is-const-body-checking.rs:7:28 - | -LL | const fn foo<T>() where T: ~const Tr {} - | ^^^^^^^^^ required by this bound in `foo` + | ^^^^^^^^^^^ error: aborting due to previous error diff --git a/tests/ui/rfc-2632-const-trait-impl/function-pointer-does-not-require-const.rs b/tests/ui/rfc-2632-const-trait-impl/function-pointer-does-not-require-const.rs index 1726cf82e..60790e297 100644 --- a/tests/ui/rfc-2632-const-trait-impl/function-pointer-does-not-require-const.rs +++ b/tests/ui/rfc-2632-const-trait-impl/function-pointer-does-not-require-const.rs @@ -1,8 +1,15 @@ // check-pass +#![feature(const_trait_impl)] -type I32Cmp = fn(&i32, &i32) -> core::cmp::Ordering; -pub const fn min_by_i32() -> fn(i32, i32, I32Cmp) -> i32 { - core::cmp::min_by +#[const_trait] +pub trait Test {} + +impl Test for () {} + +pub const fn test<T: ~const Test>() {} + +pub const fn min_by_i32() -> fn() { + test::<()> } fn main() {} diff --git a/tests/ui/rfc-2632-const-trait-impl/gate.rs b/tests/ui/rfc-2632-const-trait-impl/gate.rs index f2cd26c91..d1c93ab9f 100644 --- a/tests/ui/rfc-2632-const-trait-impl/gate.rs +++ b/tests/ui/rfc-2632-const-trait-impl/gate.rs @@ -1,5 +1,13 @@ // gate-test-const_closures + fn main() { (const || {})(); //~^ ERROR: const closures are experimental } + +macro_rules! e { + ($e:expr) => {} +} + +e!((const || {})); +//~^ ERROR const closures are experimental diff --git a/tests/ui/rfc-2632-const-trait-impl/gate.stderr b/tests/ui/rfc-2632-const-trait-impl/gate.stderr index 30edc4127..11cc2cd56 100644 --- a/tests/ui/rfc-2632-const-trait-impl/gate.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/gate.stderr @@ -1,12 +1,21 @@ error[E0658]: const closures are experimental - --> $DIR/gate.rs:3:6 + --> $DIR/gate.rs:4:6 | LL | (const || {})(); - | ^^^^^^^^^^^ + | ^^^^^ | = note: see issue #106003 <https://github.com/rust-lang/rust/issues/106003> for more information = help: add `#![feature(const_closures)]` to the crate attributes to enable -error: aborting due to previous error +error[E0658]: const closures are experimental + --> $DIR/gate.rs:12:5 + | +LL | e!((const || {})); + | ^^^^^ + | + = note: see issue #106003 <https://github.com/rust-lang/rust/issues/106003> for more information + = help: add `#![feature(const_closures)]` 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/tests/ui/rfc-2632-const-trait-impl/nested-closure.rs b/tests/ui/rfc-2632-const-trait-impl/nested-closure.rs index a85113600..0b423b340 100644 --- a/tests/ui/rfc-2632-const-trait-impl/nested-closure.rs +++ b/tests/ui/rfc-2632-const-trait-impl/nested-closure.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(const_trait_impl, once_cell)] +#![feature(const_trait_impl, lazy_cell)] use std::sync::LazyLock; |