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