File: recover-fn-trait-from-fn-kw.rs

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rustc 1.70.0%2Bdfsg1-9
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fn foo(_: impl fn() -> i32) {}
//~^ ERROR expected identifier, found keyword `fn`

fn foo2<T: fn(i32)>(_: T) {}
//~^ ERROR expected identifier, found keyword `fn`

fn main() {
    foo(|| ());
    //~^ mismatched types
    foo2(|_: ()| {});
    //~^ type mismatch in closure arguments
}