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// edition:2021
// run-pass
// Test whether if we can do precise capture when using nested clsoure.
struct Point {
x: i32,
y: i32,
}
fn main() {
let mut p = Point { x: 5, y: 20 };
// c1 should capture `p.x` via immutable borrow and
// `p.y` via mutable borrow.
let mut c1 = || {
println!("{}", p.x);
let incr = 10;
let mut c2 = || p.y += incr;
c2();
println!("{}", p.y);
};
c1();
// This should not throw an error because `p.x` is borrowed via Immutable borrow,
// and multiple immutable borrow of the same place are allowed.
let px = &p.x;
println!("{}", px);
c1();
}
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