22 lines
438 B
Rust
22 lines
438 B
Rust
//@ edition:2021
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//@ run-pass
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// Test that we can immutably borrow an element of a tuple from within a closure,
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// while having a mutable borrow to another element of the same tuple outside the closure.
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#![feature(rustc_attrs)]
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fn main() {
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let mut t = (10, 10);
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let c = || {
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println!("{}", t.0);
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};
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// `c` only captures t.0, therefore mutating t.1 is allowed.
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let t1 = &mut t.1;
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c();
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*t1 = 20;
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}
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