[rustc.git] / src / test / ui / issues / issue-47706-trait.stderr

error[E0593]: function is expected to take a single 0-tuple as argument, but it takes 2 distinct arguments
  --> $DIR/issue-47706-trait.rs:3:24
   |
LL |     fn f(&self, _: ()) {
   |     ------------------ takes 2 distinct arguments
LL |         None::<()>.map(Self::f);
   |                    --- ^^^^^^^ expected function that takes a single 0-tuple as argument
   |                    |
   |                    required by a bound introduced by this call
   |
note: required by a bound in `Option::<T>::map`
  --> $SRC_DIR/core/src/option.rs:LL:COL
   |
LL |     pub fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Option<U> {
   |                      ^^^^^^^^^^^^^^ required by this bound in `Option::<T>::map`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0593`.
Commit	Line	Data
2c00a5a8	1	error[E0593]: function is expected to take a single 0-tuple as argument, but it takes 2 distinct arguments
e1599b0c	2	--> $DIR/issue-47706-trait.rs:3:24
2c00a5a8	3	\|
0531ce1d	4	LL \| fn f(&self, _: ()) {
2c00a5a8	5	\| ------------------ takes 2 distinct arguments
0531ce1d	6	LL \| None::<()>.map(Self::f);
c295e0f8 XL	7	\| --- ^^^^^^^ expected function that takes a single 0-tuple as argument
	8	\| \|
	9	\| required by a bound introduced by this call
3c0e092e XL	10	\|
	11	note: required by a bound in `Option::<T>::map`
	12	--> $SRC_DIR/core/src/option.rs:LL:COL
	13	\|
	14	LL \| pub fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Option<U> {
	15	\| ^^^^^^^^^^^^^^ required by this bound in `Option::<T>::map`
2c00a5a8	16
0531ce1d	17	error: aborting due to previous error
2c00a5a8	18
0531ce1d	19	For more information about this error, try `rustc --explain E0593`.