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1d52972dd8
Use parenthetical notation for `Fn` traits Always use the `Fn(T) -> R` format when printing closure traits instead of `Fn<(T,), Output = R>`. Address #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) { | ++++++ ``` |
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| .. | ||
| bad-main.rs | ||
| bad-main.stderr | ||
| dyn-fn-alignment.rs | ||
| expr-fn-panic.rs | ||
| expr-fn.rs | ||
| fn_def_coercion.rs | ||
| fn_def_coercion.stderr | ||
| fn_def_opaque_coercion_to_fn_ptr.rs | ||
| fn_def_opaque_coercion_to_fn_ptr.stderr | ||
| fn_def_opaque_coercion.rs | ||
| fn-bad-block-type.rs | ||
| fn-bad-block-type.stderr | ||
| fn-closure-mutable-capture.rs | ||
| fn-closure-mutable-capture.stderr | ||
| fn-compare-mismatch.rs | ||
| fn-compare-mismatch.stderr | ||
| fn-item-type.rs | ||
| fn-item-type.stderr | ||
| fn-pointer-mismatch.rs | ||
| fn-pointer-mismatch.stderr | ||
| fn-ptr-trait-int-float-infer-var.rs | ||
| fn-ptr-trait.rs | ||
| fn-recover-return-sign2.rs | ||
| fn-recover-return-sign2.stderr | ||
| fn-recover-return-sign.fixed | ||
| fn-recover-return-sign.rs | ||
| fn-recover-return-sign.stderr | ||
| fn-trait-formatting.rs | ||
| fn-trait-formatting.stderr | ||
| fun-call-variants.rs | ||
| implied-bounds-impl-header-projections.rs | ||
| implied-bounds-unnorm-associated-type-2.rs | ||
| implied-bounds-unnorm-associated-type-2.stderr | ||
| implied-bounds-unnorm-associated-type-3.rs | ||
| implied-bounds-unnorm-associated-type-4.rs | ||
| implied-bounds-unnorm-associated-type-4.stderr | ||
| implied-bounds-unnorm-associated-type-5.rs | ||
| implied-bounds-unnorm-associated-type-5.stderr | ||
| implied-bounds-unnorm-associated-type.rs | ||
| implied-bounds-unnorm-associated-type.stderr | ||
| issue-1451.rs | ||
| issue-1900.rs | ||
| issue-1900.stderr | ||
| issue-3044.rs | ||
| issue-3044.stderr | ||
| issue-3099.rs | ||
| issue-3099.stderr | ||
| issue-3904.rs | ||
| issue-39259.rs | ||
| issue-39259.stderr | ||
| issue-80179.rs | ||
| issue-80179.stderr | ||
| keyword-order.rs | ||
| keyword-order.stderr | ||
| nested-function-names-issue-8587.rs | ||
| signature-error-reporting-under-verbose.rs | ||
| signature-error-reporting-under-verbose.stderr | ||
| suggest-return-closure.rs | ||
| suggest-return-closure.stderr | ||
| suggest-return-future.rs | ||
| suggest-return-future.stderr | ||