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#![feature(staged_api)]
#![feature(const_trait_impl)]
#![stable(feature = "stable", since = "1.0.0")]
#[stable(feature = "stable", since = "1.0.0")]
pub const fn foo() {} //~ ERROR function has missing const stability attribute
#[unstable(feature = "unstable", issue = "none")]
pub const fn bar() {} // ok because function is unstable
#[stable(feature = "stable", since = "1.0.0")]
pub struct Foo;
impl Foo {
#[stable(feature = "stable", since = "1.0.0")]
pub const fn foo() {} //~ ERROR associated function has missing const stability attribute
#[unstable(feature = "unstable", issue = "none")]
pub const fn bar() {} // ok because function is unstable
}
#[stable(feature = "stable", since = "1.0.0")]
#[const_trait]
pub trait Bar {
#[stable(feature = "stable", since = "1.0.0")]
fn fun();
}
#[stable(feature = "stable", since = "1.0.0")]
impl const Bar for Foo {
//~^ ERROR implementation has missing const stability attribute
fn fun() {}
}
fn main() {}
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