25 lines
491 B
Rust
25 lines
491 B
Rust
// edition:2021
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// run-pass
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// Test that we can immutably borrow field of an instance of a structure from within a closure,
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// while having a mutable borrow to another field of the same instance outside the closure.
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struct Point {
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x: i32,
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y: i32,
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}
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fn main() {
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let mut p = Point { x: 10, y: 10 };
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let c = || {
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println!("{}", p.x);
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};
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// `c` should only capture `p.x`, therefore mutating `p.y` is allowed.
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let py = &mut p.y;
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c();
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*py = 20;
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}
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