tests/ui/nll/relate_tys/fn-subtype.rs


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// Test that NLL produces correct spans for higher-ranked subtyping errors.
//
// compile-flags:-Zno-leak-check

fn main() {
    let x: fn(&'static ()) = |_| {};
    let y: for<'a> fn(&'a ()) = x; //~ ERROR mismatched types [E0308]
}