tests/ui/inference/ambiguous-numeric-in-closure-ref.rs

// Test for better error message when numeric type is ambiguous in closure parameter with reference

//@ run-rustfix

fn main() {
    let _ = (0..10).filter(|&v| v.pow(2) > 0);
    //~^ ERROR can't call method `pow` on ambiguous numeric type `{integer}`
    //~| SUGGESTION &i32

    let v = vec![0, 1, 2];
    let _ = v.iter().filter(|&&v| v.pow(2) > 0);
    //~^ ERROR can't call method `pow` on ambiguous numeric type `{integer}`
    //~| SUGGESTION &&i32
}