fix-hidden-lifetime-bug 0.2.7

Proc-macro to write an automatic fix for the "hidden lifetime in impl Trait" issue
Documentation 
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#![allow(unused)]

use ::fix_hidden_lifetime_bug::fix_hidden_lifetime_bug;

#[cfg(feature = "nightly")]
mod regressions {
    ::automod::dir!("tests/regressions");
}

#[fix_hidden_lifetime_bug]
async fn foo<'a> (a: &'static (), b: &'_ (), c: &'_ ()) {
    /* … */
}

#[fix_hidden_lifetime_bug]
async fn bar<'a> (_: &(), _b: Box<dyn Send>) {
    /* … */
}

#[fix_hidden_lifetime_bug]
fn baz<'a, 'b> (it: &'a mut &'b ()) -> impl 'a + Send {
    if false {
        // Make sure we didn't accidentally lose the `: 'a`-ness.
        let _: Box<dyn Send + 'a> = Box::new(baz(it));
        unreachable!();
    }
    it
}

struct Foo<'inv>(
    fn(&()) -> &mut &'inv (),
);

#[fix_hidden_lifetime_bug]
impl<'b> Foo<'b> {
    #[fix_hidden_lifetime_bug]
    fn bar(&mut self, _: &()) -> impl '_ + Sized {
        self
    }

    /// Since this is `async`, we are dealing with a nested `impl`.
    #[fix_hidden_lifetime_bug]
    async fn baz(&self, _: &()) -> impl '_ + Sized {
        self
    }
}