Rollup merge of #97963 - devnexen:net_listener_neg, r=the8472

[rust.git] / src / test / ui / functions-closures / closure_to_fn_coercion-expected-types.rs

// run-pass
#![allow(unused_variables)]
// Ensure that we deduce expected argument types when a `fn()` type is expected (#41755)

fn foo(f: fn(Vec<u32>) -> usize) { }

fn main() {
    foo(|x| x.len())
}