| 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[E0277]: `i32` is not a tuple |
| --> $DIR/E0059.rs:3:41 |
| | |
| LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } |
| | ^^^^ the trait `Tuple` is not implemented for `i32` |
| |
| error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit |
| --> $DIR/E0059.rs:3:41 |
| | |
| LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } |
| | ^^^^ |
| |
| error: aborting due to 3 previous errors |
| |
| Some errors have detailed explanations: E0059, E0277. |
| For more information about an error, try `rustc --explain E0059`. |
