rust/tests/ui/error-codes/E0059.stderr
2023-01-11 09:32:08 +00:00

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error[E0059]: type parameter to bare `Fn` trait must be a tuple
--> $DIR/E0059.rs:3:11
|
LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) }
| ^^^^^^^ the trait `Tuple` is not implemented for `i32`
|
note: required by a bound in `Fn`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
error: aborting due to previous error
For more information about this error, try `rustc --explain E0059`.