File: trait-fn.rs

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rustc 1.85.0%2Bdfsg3-1
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struct Foo {}

impl Foo {
    fn c(foo: u32, self) {}
    //~^ ERROR unexpected `self` parameter in function
    //~| NOTE must be the first parameter of an associated function

    fn good(&mut self, foo: u32) {}
}

fn main() { }