[rustc.git] / src / test / ui / async-await / issue-84841.stderr

error[E0277]: the `?` operator can only be applied to values that implement `Try`
  --> $DIR/issue-84841.rs:9:5
   |
LL |     test()?;
   |     ^^^^^^^ the `?` operator cannot be applied to type `impl Future<Output = ()>`
   |
   = help: the trait `Try` is not implemented for `impl Future<Output = ()>`

error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
  --> $DIR/issue-84841.rs:9:11
   |
LL |   async fn foo() {
   |  ________________-
LL | |     // Adding an .await here avoids the ICE
LL | |     test()?;
   | |           ^ cannot use the `?` operator in an async function that returns `()`
LL | |
LL | |
LL | | }
   | |_- this function should return `Result` or `Option` to accept `?`
   |
   = help: the trait `FromResidual<_>` is not implemented for `()`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.
Commit	Line	Data
136023e0 XL	1	error[E0277]: the `?` operator can only be applied to values that implement `Try`
	2	--> $DIR/issue-84841.rs:9:5
	3	\|
	4	LL \| test()?;
3c0e092e	5	\| ^^^^^^^ the `?` operator cannot be applied to type `impl Future<Output = ()>`
136023e0	6	\|
3c0e092e	7	= help: the trait `Try` is not implemented for `impl Future<Output = ()>`
136023e0 XL	8
	9	error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
	10	--> $DIR/issue-84841.rs:9:11
	11	\|
	12	LL \| async fn foo() {
	13	\| ________________-
	14	LL \| \| // Adding an .await here avoids the ICE
	15	LL \| \| test()?;
	16	\| \| ^ cannot use the `?` operator in an async function that returns `()`
	17	LL \| \|
	18	LL \| \|
	19	LL \| \| }
	20	\| \|_- this function should return `Result` or `Option` to accept `?`
	21	\|
	22	= help: the trait `FromResidual<_>` is not implemented for `()`
136023e0 XL	23
	24	error: aborting due to 2 previous errors
	25
	26	For more information about this error, try `rustc --explain E0277`.