[rustc.git] / src / test / ui / extern / extern-wrong-value-type.stderr

error[E0277]: expected a `std::ops::Fn<()>` closure, found `extern "C" fn() {f}`
  --> $DIR/extern-wrong-value-type.rs:9:11
   |
LL | fn is_fn<F>(_: F) where F: Fn() {}
   |                            ---- required by this bound in `is_fn`
...
LL |     is_fn(f);
   |           ^ expected an `Fn<()>` closure, found `extern "C" fn() {f}`
   |
   = help: the trait `std::ops::Fn<()>` is not implemented for `extern "C" fn() {f}`
   = note: wrap the `extern "C" fn() {f}` in a closure with no arguments: `|| { /* code */ }

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.
Commit	Line	Data
b7449926	1	error[E0277]: expected a `std::ops::Fn<()>` closure, found `extern "C" fn() {f}`
e1599b0c	2	--> $DIR/extern-wrong-value-type.rs:9:11
b7449926	3	\|
e1599b0c	4	LL \| fn is_fn<F>(_: F) where F: Fn() {}
ba9703b0	5	\| ---- required by this bound in `is_fn`
e1599b0c	6	...
b7449926	7	LL \| is_fn(f);
e1599b0c	8	\| ^ expected an `Fn<()>` closure, found `extern "C" fn() {f}`
b7449926 XL	9	\|
	10	= help: the trait `std::ops::Fn<()>` is not implemented for `extern "C" fn() {f}`
	11	= note: wrap the `extern "C" fn() {f}` in a closure with no arguments: `\|\| { /* code */ }
b7449926 XL	12
	13	error: aborting due to previous error
	14
	15	For more information about this error, try `rustc --explain E0277`.