File: printing-binder.rs

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trait Trait<'a> {}
impl<T> Trait<'_> for T {}
fn whatever() -> impl for<'a> Trait<'a> + for<'b> Trait<'b> {}

fn whatever2() -> impl for<'c> Fn(&'c ()) {
    |_: &()| {}
}

fn main() {
    let x: u32 = whatever();
    //~^ ERROR mismatched types
    let x2: u32 = whatever2();
    //~^ ERROR mismatched types
}