#![feature(staged_api)] #![stable(feature = "stability_attribute_implies", since = "1.0.0")] // Tests that `implied_by = "bar"` results in an error being emitted if `bar` does not exist. #[unstable(feature = "foobar", issue = "1", implied_by = "bar")] //~^ ERROR feature `bar` implying `foobar` does not exist pub fn foobar() {} fn main() {}