| error[E0277]: the trait bound `for<'r> unsafe fn(isize) -> isize {square}: std::ops::Fn<(&'r isize,)>` is not satisfied |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:23:13 |
| | |
| LL | let x = call_it(&square, 22); |
| | ^^^^^^^ the trait `for<'r> std::ops::Fn<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}` |
| | |
| note: required by `call_it` |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:18:1 |
| | |
| LL | fn call_it<F:Fn(&isize)->isize>(_: &F, _: isize) -> isize { 0 } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0277]: the trait bound `for<'r> unsafe fn(isize) -> isize {square}: std::ops::FnMut<(&'r isize,)>` is not satisfied |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:28:13 |
| | |
| LL | let y = call_it_mut(&mut square, 22); |
| | ^^^^^^^^^^^ the trait `for<'r> std::ops::FnMut<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}` |
| | |
| note: required by `call_it_mut` |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:19:1 |
| | |
| LL | fn call_it_mut<F:FnMut(&isize)->isize>(_: &mut F, _: isize) -> isize { 0 } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0277]: the trait bound `for<'r> unsafe fn(isize) -> isize {square}: std::ops::FnOnce<(&'r isize,)>` is not satisfied |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:33:13 |
| | |
| LL | let z = call_it_once(square, 22); |
| | ^^^^^^^^^^^^ the trait `for<'r> std::ops::FnOnce<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}` |
| | |
| note: required by `call_it_once` |
| --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:20:1 |
| | |
| LL | fn call_it_once<F:FnOnce(&isize)->isize>(_: F, _: isize) -> isize { 0 } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error: aborting due to 3 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |