mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-30 22:12:15 +00:00
b17e6680d6
Fixes #109543. When checking paths in HIR typeck, we don't want to check for const predicates since all we want might just be a function pointer. Therefore we move this to MIR constck and check that bounds are met during MIR constck.
29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
error[E0277]: the trait bound `[closure@$DIR/issue-68542-closure-in-array-len.rs:6:14: 6:16]: Fn<()>` is not satisfied
|
|
--> $DIR/issue-68542-closure-in-array-len.rs:6:13
|
|
|
|
|
LL | a: [(); (|| { 0 })()]
|
|
| ^^^^^^^^^^^^ expected an `Fn<()>` closure, found `[closure@$DIR/issue-68542-closure-in-array-len.rs:6:14: 6:16]`
|
|
|
|
|
= help: the trait `~const Fn<()>` is not implemented for closure `[closure@$DIR/issue-68542-closure-in-array-len.rs:6:14: 6:16]`
|
|
note: the trait `Fn<()>` is implemented for `[closure@$DIR/issue-68542-closure-in-array-len.rs:6:14: 6:16]`, but that implementation is not `const`
|
|
--> $DIR/issue-68542-closure-in-array-len.rs:6:13
|
|
|
|
|
LL | a: [(); (|| { 0 })()]
|
|
| ^^^^^^^^^^^^
|
|
= note: wrap the `[closure@$DIR/issue-68542-closure-in-array-len.rs:6:14: 6:16]` in a closure with no arguments: `|| { /* code */ }`
|
|
|
|
error[E0015]: cannot call non-const closure in constants
|
|
--> $DIR/issue-68542-closure-in-array-len.rs:6:13
|
|
|
|
|
LL | a: [(); (|| { 0 })()]
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= note: closures need an RFC before allowed to be called in constants
|
|
= note: calls in constants are limited to constant functions, tuple structs and tuple variants
|
|
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0015, E0277.
|
|
For more information about an error, try `rustc --explain E0015`.
|