File: exotic-calls.rs

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rustc 1.70.0%2Bdfsg1-9
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fn foo<T: Fn()>(t: T) {
    t(1i32);
    //~^ ERROR function takes 0 arguments but 1 argument was supplied
}

fn bar(t: impl Fn()) {
    t(1i32);
    //~^ ERROR function takes 0 arguments but 1 argument was supplied
}

fn baz() -> impl Fn() {
    || {}
}

fn baz2() {
    baz()(1i32)
    //~^ ERROR function takes 0 arguments but 1 argument was supplied
}

fn qux() {
    let x = || {};
    x(1i32);
    //~^ ERROR function takes 0 arguments but 1 argument was supplied
}

fn main() {}