Auto merge of #88100 - HTG-YT:edition2021-compopt-stabilization, r=m-ou-se

Make Edition 2021 Stable

An item of #87959.

This is an "on-demand" pull request, which means it will be merged when it is the right time to.
This commit is contained in:
bors 2021-08-31 01:03:55 +00:00
commit 56ea5e0ee9
9 changed files with 28 additions and 28 deletions

View file

@ -32,7 +32,7 @@ pub const EDITION_NAME_LIST: &str = "2015|2018|2021";
pub const DEFAULT_EDITION: Edition = Edition::Edition2015;
pub const LATEST_STABLE_EDITION: Edition = Edition::Edition2018;
pub const LATEST_STABLE_EDITION: Edition = Edition::Edition2021;
impl fmt::Display for Edition {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@ -66,7 +66,7 @@ impl Edition {
match *self {
Edition::Edition2015 => true,
Edition::Edition2018 => true,
Edition::Edition2021 => false,
Edition::Edition2021 => true,
}
}
}

View file

@ -93,7 +93,7 @@ This informs `rustc` of the name of your crate.
<a id="option-edition"></a>
## `--edition`: specify the edition to use
This flag takes a value of `2015` or `2018`. The default is `2015`. More
This flag takes a value of `2015`, `2018` or `2021`. The default is `2015`. More
information about editions may be found in the [edition guide].
[edition guide]: ../edition-guide/introduction.html

View file

@ -4,7 +4,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn foo() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -13,7 +13,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | fn baz() { async fn foo() {} }
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -22,7 +22,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn async_baz() {
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -31,7 +31,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn bar() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -40,7 +40,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn foo() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -49,7 +49,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn foo() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -58,7 +58,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn bar() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -67,7 +67,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn foo() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0670]: `async fn` is not permitted in Rust 2015
@ -76,7 +76,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn bar() {}
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0706]: functions in traits cannot be declared `async`

View file

@ -10,7 +10,7 @@ fn await_on_struct_missing() {
//~^ ERROR no field `await` on type
//~| NOTE unknown field
//~| NOTE to `.await` a `Future`, switch to Rust 2018
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
}
@ -23,7 +23,7 @@ fn await_on_struct_similar() {
//~^ ERROR no field `await` on type
//~| HELP a field with a similar name exists
//~| NOTE to `.await` a `Future`, switch to Rust 2018
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
}
@ -32,7 +32,7 @@ fn await_on_63533(x: Pin<&mut dyn Future<Output = ()>>) {
//~^ ERROR no field `await` on type
//~| NOTE unknown field
//~| NOTE to `.await` a `Future`, switch to Rust 2018
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
}
@ -40,6 +40,6 @@ fn await_on_apit(x: impl Future<Output = ()>) {
x.await;
//~^ ERROR no field `await` on type
//~| NOTE to `.await` a `Future`, switch to Rust 2018
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
}

View file

@ -5,7 +5,7 @@ LL | x.await;
| ^^^^^ unknown field
|
= note: to `.await` a `Future`, switch to Rust 2018 or later
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0609]: no field `await` on type `await_on_struct_similar::S`
@ -15,7 +15,7 @@ LL | x.await;
| ^^^^^ help: a field with a similar name exists: `awai`
|
= note: to `.await` a `Future`, switch to Rust 2018 or later
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0609]: no field `await` on type `Pin<&mut dyn Future<Output = ()>>`
@ -25,7 +25,7 @@ LL | x.await;
| ^^^^^ unknown field
|
= note: to `.await` a `Future`, switch to Rust 2018 or later
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0609]: no field `await` on type `impl Future<Output = ()>`
@ -35,7 +35,7 @@ LL | x.await;
| ^^^^^
|
= note: to `.await` a `Future`, switch to Rust 2018 or later
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error: aborting due to 4 previous errors

View file

@ -1,7 +1,7 @@
async fn foo() {
//~^ ERROR `async fn` is not permitted in Rust 2015
//~| NOTE to use `async fn`, switch to Rust 2018 or later
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
let x = async {};
@ -11,7 +11,7 @@ async fn foo() {
let x = 42;
//~^ ERROR expected identifier, found keyword `let`
//~| NOTE expected identifier, found keyword
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
42
};
@ -19,7 +19,7 @@ async fn foo() {
42
//~^ ERROR expected identifier, found `42`
//~| NOTE expected identifier
//~| HELP set `edition = "2018"` in `Cargo.toml`
//~| HELP set `edition = "2021"` in `Cargo.toml`
//~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
};
y.await;

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@ -4,7 +4,7 @@ error[E0670]: `async fn` is not permitted in Rust 2015
LL | async fn foo() {
| ^^^^^ to use `async fn`, switch to Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error: expected identifier, found keyword `let`
@ -15,7 +15,7 @@ LL | let y = async {
LL | let x = 42;
| ^^^ expected identifier, found keyword
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error: expected identifier, found `42`
@ -26,7 +26,7 @@ LL | let z = async {
LL | 42
| ^^ expected identifier
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0422]: cannot find struct, variant or union type `async` in this scope

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@ -6,7 +6,7 @@ LL | let f: impl core::future::Future<Output = u8> = async { 1 };
| |
| `async` blocks are only allowed in Rust 2018 or later
|
= help: set `edition = "2018"` in `Cargo.toml`
= help: set `edition = "2021"` in `Cargo.toml`
= note: for more on editions, read https://doc.rust-lang.org/edition-guide
error[E0562]: `impl Trait` not allowed outside of function and method return types

View file

@ -1,4 +1,4 @@
// compile-flags: -Z unstable-options --edition 2021
// edition:2021
macro_rules! demo2 {
( $a:tt $b:tt ) => { println!("two tokens") };