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67f455afe1
When constant evaluation fails because its MIR is tainted by errors, suppress note indicating that erroneous constant was used, since those errors have to be fixed regardless of the constant being used or not.
35 lines
1.4 KiB
Plaintext
35 lines
1.4 KiB
Plaintext
error[E0277]: the trait bound `[closure@$DIR/issue-56164.rs:1:19: 1:21]: Fn<()>` is not satisfied
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--> $DIR/issue-56164.rs:1:18
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LL | const fn foo() { (||{})() }
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| ^^^^^^^^ expected an `Fn<()>` closure, found `[closure@$DIR/issue-56164.rs:1:19: 1:21]`
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= help: the trait `~const Fn<()>` is not implemented for closure `[closure@$DIR/issue-56164.rs:1:19: 1:21]`
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note: the trait `Fn<()>` is implemented for `[closure@$DIR/issue-56164.rs:1:19: 1:21]`, but that implementation is not `const`
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--> $DIR/issue-56164.rs:1:18
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LL | const fn foo() { (||{})() }
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| ^^^^^^^^
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= note: wrap the `[closure@$DIR/issue-56164.rs:1:19: 1:21]` in a closure with no arguments: `|| { /* code */ }`
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error[E0015]: cannot call non-const closure in constant functions
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--> $DIR/issue-56164.rs:1:18
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LL | const fn foo() { (||{})() }
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| ^^^^^^^^
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= note: closures need an RFC before allowed to be called in constant functions
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= note: calls in constant functions 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: function pointer calls are not allowed in constant functions
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--> $DIR/issue-56164.rs:6:5
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LL | input()
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| ^^^^^^^
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error: aborting due to 3 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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