| error[E0277]: the trait bound `fn() {foo}: const FnOnce()` is not satisfied |
| --> $DIR/const-fns-are-early-bound.rs:31:17 |
| | |
| LL | is_const_fn(foo); |
| | ----------- ^^^ the trait `FnOnce()` is not implemented for fn item `fn() {foo}` |
| | | |
| | required by a bound introduced by this call |
| | |
| note: required by a bound in `is_const_fn` |
| --> $DIR/const-fns-are-early-bound.rs:25:12 |
| | |
| LL | fn is_const_fn<F>(_: F) |
| | ----------- required by a bound in this function |
| LL | where |
| LL | F: const FnOnce<()>, |
| | ^^^^^^^^^^^^^^^^ required by this bound in `is_const_fn` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
