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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
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
error[E0277]: the trait bound `[closure@$DIR/issue-28113.rs:4:5: 4:13]: Fn<()>` is not satisfied
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--> $DIR/issue-28113.rs:4:5
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LL | || -> u8 { 5 }()
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| ^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `[closure@$DIR/issue-28113.rs:4:5: 4:13]`
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= help: the trait `~const Fn<()>` is not implemented for closure `[closure@$DIR/issue-28113.rs:4:5: 4:13]`
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note: the trait `Fn<()>` is implemented for `[closure@$DIR/issue-28113.rs:4:5: 4:13]`, but that implementation is not `const`
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--> $DIR/issue-28113.rs:4:5
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LL | || -> u8 { 5 }()
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| ^^^^^^^^^^^^^^^^
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= note: wrap the `[closure@$DIR/issue-28113.rs:4:5: 4:13]` in a closure with no arguments: `|| { /* code */ }`
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error[E0015]: cannot call non-const closure in constants
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--> $DIR/issue-28113.rs:4:5
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LL | || -> u8 { 5 }()
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| ^^^^^^^^^^^^^^^^
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= note: closures need an RFC before allowed to be called in constants
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= note: calls in constants are limited to constant functions, tuple structs and tuple variants
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= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0015, E0277.
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For more information about an error, try `rustc --explain E0015`.
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