mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 00:03:43 +00:00
912783402f
Extend support for `implies_by` (from `#[stable]` and `#[unstable]`) to `#[rustc_const_stable]` and `#[rustc_const_unstable]`. Signed-off-by: David Wood <david.wood@huawei.com>
20 lines
692 B
Rust
20 lines
692 B
Rust
// aux-build:const-stability-attribute-implies.rs
|
|
#![crate_type = "lib"]
|
|
#![deny(stable_features)]
|
|
#![feature(const_foo)]
|
|
//~^ ERROR the feature `const_foo` has been partially stabilized since 1.62.0 and is succeeded by the feature `const_foobar`
|
|
|
|
// Tests that the use of `implied_by` in the `#[rustc_const_unstable]` attribute results in a
|
|
// diagnostic mentioning partial stabilization, and that given the implied unstable feature is
|
|
// unused (there is no `foobar` call), that the compiler suggests removing the flag.
|
|
|
|
extern crate const_stability_attribute_implies;
|
|
use const_stability_attribute_implies::foo;
|
|
|
|
pub const fn bar() -> u32 {
|
|
foo();
|
|
0
|
|
}
|
|
|
|
pub const VAR: u32 = bar();
|