mirror of https://github.com/rust-lang/rust
64 lines
2.7 KiB
Plaintext
64 lines
2.7 KiB
Plaintext
error: `async` trait bounds are only allowed in Rust 2018 or later
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--> $DIR/edition-2015.rs:1:16
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^^
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= help: pass `--edition 2021` to `rustc`
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= note: for more on editions, read https://doc.rust-lang.org/edition-guide
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error: `async` trait bounds are only allowed in Rust 2018 or later
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--> $DIR/edition-2015.rs:1:36
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^^
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= help: pass `--edition 2021` to `rustc`
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= note: for more on editions, read https://doc.rust-lang.org/edition-guide
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error[E0658]: async closures are unstable
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--> $DIR/edition-2015.rs:1:16
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^^
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= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
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= help: add `#![feature(async_closure)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: to use an async block, remove the `||`: `async {`
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error[E0658]: async closures are unstable
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--> $DIR/edition-2015.rs:1:36
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^^
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= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
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= help: add `#![feature(async_closure)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= help: to use an async block, remove the `||`: `async {`
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error[E0658]: use of unstable library feature 'async_closure'
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--> $DIR/edition-2015.rs:1:22
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^
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= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
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= help: add `#![feature(async_closure)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: use of unstable library feature 'async_closure'
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--> $DIR/edition-2015.rs:1:42
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LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
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| ^^^^
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= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
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= help: add `#![feature(async_closure)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error: aborting due to 6 previous errors
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For more information about this error, try `rustc --explain E0658`.
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