// 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 // used (there is a `const_foobar` call), that the compiler suggests changing to that feature and // doesn't error about its use. extern crate const_stability_attribute_implies; use const_stability_attribute_implies::{foo, foobar}; pub const fn bar() -> u32 { foo(); foobar(); // no error! 0 } pub const VAR: u32 = bar();