tests/ui/closures/2229_closure_analysis/diagnostics/borrowck/borrowck-closures-mut-and-imm.rs


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// edition:2021


// Tests that two closures cannot simultaneously have mutable
// and immutable access to the variable. Issue #6801.

#[derive(Debug)]
struct Point {
    x: i32,
    y: i32,
}

fn a() {
    let mut p = Point {x: 3, y:4};
    let c2 = || p.y * 5;
    let c1 = || {
    //~^ ERROR cannot borrow `p` as mutable because it is also borrowed as immutable
        dbg!(&p);
        p.x = 4;
    };
    drop(c2);
}

fn main() {
}