mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-18 03:25:55 +00:00
42 lines
2.0 KiB
Plaintext
42 lines
2.0 KiB
Plaintext
error[E0277]: `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
|
--> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:14:20
|
|
|
|
|
LL | assert_is_send(&bar);
|
|
| -------------- ^^^^ `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
|
| |
|
|
| required by a bound introduced by this call
|
|
|
|
|
= help: the trait `Send` is not implemented for `<impl Foo as Foo>::Bar`
|
|
note: required by a bound in `assert_is_send`
|
|
--> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:30:22
|
|
|
|
|
LL | fn assert_is_send<T: Send>(_: &T) {}
|
|
| ^^^^ required by this bound in `assert_is_send`
|
|
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
|
|
|
|
LL | async fn run<F: Foo>(_: &(), foo: F) -> std::io::Result<()> where <F as Foo>::Bar: Send {
|
|
| ++++++++ ~ +++++++++++++++++++++++++++
|
|
|
|
error[E0277]: `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
|
--> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:24:20
|
|
|
|
|
LL | assert_is_send(&bar);
|
|
| -------------- ^^^^ `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
|
| |
|
|
| required by a bound introduced by this call
|
|
|
|
|
= help: the trait `Send` is not implemented for `<impl Foo as Foo>::Bar`
|
|
note: required by a bound in `assert_is_send`
|
|
--> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:30:22
|
|
|
|
|
LL | fn assert_is_send<T: Send>(_: &T) {}
|
|
| ^^^^ required by this bound in `assert_is_send`
|
|
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
|
|
|
|
LL | async fn run2<F: Foo>(_: &(), foo: F) -> std::io::Result<()> where <F as Foo>::Bar: Send {
|
|
| ~~~~~~~~ ~ +++++++++++++++++++++++++++
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|