File: fn-closure-mutable-capture.rs

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rustc 1.87.0%2Bdfsg1-1
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pub fn bar<F: Fn()>(_f: F) {} //~ NOTE change this to accept `FnMut` instead of `Fn`

pub fn foo() {
    let mut x = 0;
    bar(move || x = 1);
    //~^ ERROR cannot assign to `x`, as it is a captured variable in a `Fn` closure
    //~| NOTE cannot assign
    //~| NOTE expects `Fn` instead of `FnMut`
    //~| NOTE in this closure
}

fn main() {}