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suggest await before method

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This commit is contained in:
csmoe 2020-08-20 15:34:08 +08:00
parent 1de0dd9531
commit 2271b081eb
4 changed files with 97 additions and 17 deletions
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6
src/test/ui/async-await/issue-61076.rs
View file

@ -12,6 +12,10 @@ struct Struct {
a: i32
}
impl Struct {
fn method(&self) {}
}
impl Future for Struct {
type Output = Struct;
fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output> { Poll::Pending }
@ -55,6 +59,8 @@ async fn baz() -> Result<(), ()> {
let _: i32 = struct_().a; //~ ERROR no field `a`
struct_().method(); //~ ERROR no method named
Ok(())
}

21
src/test/ui/async-await/issue-61076.stderr
View file

@ -1,5 +1,5 @@
error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
--> $DIR/issue-61076.rs:38:5
--> $DIR/issue-61076.rs:42:5
|
LL | foo()?;
| ^^^^^^
@ -11,7 +11,7 @@ LL | foo()?;
= note: required by `std::ops::Try::into_result`
error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
--> $DIR/issue-61076.rs:52:5
--> $DIR/issue-61076.rs:56:5
|
LL | t?;
| ^^
@ -23,7 +23,7 @@ LL | t?;
= note: required by `std::ops::Try::into_result`
error[E0609]: no field `0` on type `impl std::future::Future`
--> $DIR/issue-61076.rs:54:26
--> $DIR/issue-61076.rs:58:26
|
LL | let _: i32 = tuple().0;
| --------^
@ -31,14 +31,23 @@ LL | let _: i32 = tuple().0;
| help: consider await before field access: `tuple().await.0`
error[E0609]: no field `a` on type `impl std::future::Future`
--> $DIR/issue-61076.rs:56:28
--> $DIR/issue-61076.rs:60:28
|
LL | let _: i32 = struct_().a;
| ----------^
| |
| help: consider await before field access: `struct_().await.a`
error: aborting due to 4 previous errors
error[E0599]: no method named `method` found for opaque type `impl std::future::Future` in the current scope
--> $DIR/issue-61076.rs:62:15
|
LL | struct_().method();
| ^^^^^^
| |
| method not found in `impl std::future::Future`
| help: consider await before this method call: `await.method`
Some errors have detailed explanations: E0277, E0609.
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0277, E0599, E0609.
For more information about an error, try `rustc --explain E0277`.