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e6bd6c2044
Always use the `Fn(T) -> R` format when printing closure traits instead of `Fn<(T,), Output = R>`. Fix #67100: ``` error[E0277]: expected a `Fn()` closure, found `F` --> file.rs:6:13 | 6 | call_fn(f) | ------- ^ expected an `Fn()` closure, found `F` | | | required by a bound introduced by this call | = note: wrap the `F` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `call_fn` --> file.rs:1:15 | 1 | fn call_fn<F: Fn() -> ()>(f: &F) { | ^^^^^^^^^^ required by this bound in `call_fn` help: consider further restricting this bound | 5 | fn call_any<F: std::any::Any + Fn()>(f: &F) { | ++++++ ```
106 lines
4 KiB
Plaintext
106 lines
4 KiB
Plaintext
error: this argument must be a function item
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--> $DIR/const-eval-select-bad.rs:7:27
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LL | const_eval_select((), || {}, || {});
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| ^^^^^
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= note: expected a function item, found {closure@$DIR/const-eval-select-bad.rs:7:27: 7:29}
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= help: consult the documentation on `const_eval_select` for more information
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error: this argument must be a function item
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--> $DIR/const-eval-select-bad.rs:7:34
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LL | const_eval_select((), || {}, || {});
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| ^^^^^
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= note: expected a function item, found {closure@$DIR/const-eval-select-bad.rs:7:34: 7:36}
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= help: consult the documentation on `const_eval_select` for more information
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error[E0277]: expected a `FnOnce()` closure, found `{integer}`
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--> $DIR/const-eval-select-bad.rs:10:27
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LL | const_eval_select((), 42, 0xDEADBEEF);
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| ----------------- ^^ expected an `FnOnce()` closure, found `{integer}`
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| |
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| required by a bound introduced by this call
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= help: the trait `FnOnce()` is not implemented for `{integer}`
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= note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }`
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note: required by a bound in `const_eval_select`
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--> $SRC_DIR/core/src/intrinsics.rs:LL:COL
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error[E0277]: expected a `FnOnce()` closure, found `{integer}`
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--> $DIR/const-eval-select-bad.rs:10:31
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LL | const_eval_select((), 42, 0xDEADBEEF);
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| ----------------- ^^^^^^^^^^ expected an `FnOnce()` closure, found `{integer}`
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| |
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| required by a bound introduced by this call
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= help: the trait `FnOnce()` is not implemented for `{integer}`
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= note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }`
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note: required by a bound in `const_eval_select`
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--> $SRC_DIR/core/src/intrinsics.rs:LL:COL
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error: this argument must be a function item
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--> $DIR/const-eval-select-bad.rs:10:27
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LL | const_eval_select((), 42, 0xDEADBEEF);
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| ^^
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= note: expected a function item, found {integer}
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= help: consult the documentation on `const_eval_select` for more information
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error: this argument must be a function item
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--> $DIR/const-eval-select-bad.rs:10:31
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LL | const_eval_select((), 42, 0xDEADBEEF);
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| ^^^^^^^^^^
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= note: expected a function item, found {integer}
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= help: consult the documentation on `const_eval_select` for more information
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error[E0271]: expected `bar` to be a fn item that returns `i32`, but it returns `bool`
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--> $DIR/const-eval-select-bad.rs:32:34
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LL | const_eval_select((1,), foo, bar);
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| ----------------- ^^^ expected `i32`, found `bool`
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| |
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| required by a bound introduced by this call
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note: required by a bound in `const_eval_select`
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--> $SRC_DIR/core/src/intrinsics.rs:LL:COL
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error[E0631]: type mismatch in function arguments
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--> $DIR/const-eval-select-bad.rs:37:32
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LL | const fn foo(n: i32) -> i32 {
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| --------------------------- found signature defined here
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...
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LL | const_eval_select((true,), foo, baz);
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| ----------------- ^^^ expected due to this
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| |
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| required by a bound introduced by this call
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= note: expected function signature `fn(bool) -> _`
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found function signature `fn(i32) -> _`
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note: required by a bound in `const_eval_select`
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--> $SRC_DIR/core/src/intrinsics.rs:LL:COL
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help: consider wrapping the function in a closure
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LL | const_eval_select((true,), |arg0: bool| foo(/* i32 */), baz);
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| ++++++++++++ +++++++++++
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error: this argument must be a `const fn`
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--> $DIR/const-eval-select-bad.rs:42:29
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LL | const_eval_select((1,), bar, bar);
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| ^^^
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= help: consult the documentation on `const_eval_select` for more information
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error: aborting due to 9 previous errors
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Some errors have detailed explanations: E0271, E0277, E0631.
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For more information about an error, try `rustc --explain E0271`.
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