rust/tests/ui/coroutine/gen_block.none.stderr
Oli Scherer aef0f4024a Error on using yield without also using #[coroutine] on the closure
And suggest adding the `#[coroutine]` to the closure
2024-04-24 08:05:29 +00:00

104 lines
3.9 KiB
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error: expected identifier, found reserved keyword `yield`
--> $DIR/gen_block.rs:10:19
|
LL | let y = gen { yield 42 };
| --- ^^^^^ expected identifier, found reserved keyword
| |
| while parsing this struct
error[E0422]: cannot find struct, variant or union type `gen` in this scope
--> $DIR/gen_block.rs:7:13
|
LL | let x = gen {};
| ^^^ not found in this scope
error[E0422]: cannot find struct, variant or union type `gen` in this scope
--> $DIR/gen_block.rs:10:13
|
LL | let y = gen { yield 42 };
| ^^^ not found in this scope
error[E0422]: cannot find struct, variant or union type `gen` in this scope
--> $DIR/gen_block.rs:13:5
|
LL | gen {};
| ^^^ not found in this scope
error[E0658]: yield syntax is experimental
--> $DIR/gen_block.rs:16:16
|
LL | let _ = || 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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]: yield syntax is experimental
--> $DIR/gen_block.rs:20:29
|
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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 `#[coroutines]` 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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 `#[coroutines]` 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[E0658]: yield syntax is experimental
--> $DIR/gen_block.rs:16:16
|
LL | let _ = || 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
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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[E0658]: yield syntax is experimental
--> $DIR/gen_block.rs:20:29
|
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
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 11 previous errors
Some errors have detailed explanations: E0422, E0658.
For more information about an error, try `rustc --explain E0422`.