File: closure-no-fn-1.rs

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rustc 1.70.0%2Bdfsg1-9
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// Ensure that capturing closures are never coerced to fns
// Especially interesting as non-capturing closures can be.

fn main() {
    let mut a = 0u8;
    let foo: fn(u8) -> u8 = |v: u8| { a += v; a };
    //~^ ERROR mismatched types
}