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error[E0658]: the `#[coroutine]` attribute is an experimental feature
--> $DIR/gen_block.rs:20:13
|
LL | let _ = #[coroutine] || yield true;
| ^^^^^^^^^^^^
|
= note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
= help: add `#![feature(coroutines)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: the `#[coroutine]` attribute is an experimental feature
--> $DIR/gen_block.rs:24:13
|
LL | let _ = #[coroutine] || {};
| ^^^^^^^^^^^^
|
= note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
= help: add `#![feature(coroutines)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
--> $DIR/gen_block.rs:16:16
|
LL | let _ = || yield true;
| ^^^^^^^^^^
|
help: use `#[coroutine]` to make this closure a coroutine
|
LL | let _ = #[coroutine] || yield true;
| ++++++++++++
error[E0282]: type annotations needed
--> $DIR/gen_block.rs:7:13
|
LL | let x = gen {};
| ^^^^^^ cannot infer type
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0282, E0658.
For more information about an error, try `rustc --explain E0282`.
|
