rust/tests/ui/traits/const-traits/const-drop-fail-2.stderr
2024-10-24 09:46:36 +00:00

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error: const `impl` for trait `Drop` which is not marked with `#[const_trait]`
--> $DIR/const-drop-fail-2.rs:39:25
|
LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> {
| ^^^^
|
= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
= note: adding a non-const method body in the future would be a breaking change
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-drop-fail-2.rs:20:26
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LL | const fn check<T: ~const Destruct>(_: T) {}
| ^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-drop-fail-2.rs:20:26
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LL | const fn check<T: ~const Destruct>(_: T) {}
| ^^^^^^^^
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0493]: destructor of `T` cannot be evaluated at compile-time
--> $DIR/const-drop-fail-2.rs:20:36
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LL | const fn check<T: ~const Destruct>(_: T) {}
| ^ - value is dropped here
| |
| the destructor for this type cannot be evaluated in constant functions
error[E0015]: cannot call non-const fn `<T as A>::a` in constant functions
--> $DIR/const-drop-fail-2.rs:41:9
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LL | T::a();
| ^^^^^^
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= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
help: add `#![feature(effects)]` to the crate attributes to enable
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LL + #![feature(effects)]
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error: aborting due to 5 previous errors
Some errors have detailed explanations: E0015, E0493.
For more information about an error, try `rustc --explain E0015`.