rust/tests/ui/for-loop-while/foreach-put-structured.rs
2024-02-16 20:02:50 +00:00

23 lines
439 B
Rust

//@ run-pass
fn pairs<F>(mut it: F) where F: FnMut((isize, isize)) {
let mut i: isize = 0;
let mut j: isize = 0;
while i < 10 { it((i, j)); i += 1; j += i; }
}
pub fn main() {
let mut i: isize = 10;
let mut j: isize = 0;
pairs(|p| {
let (_0, _1) = p;
println!("{}", _0);
println!("{}", _1);
assert_eq!(_0 + 10, i);
i += 1;
j = _1;
});
assert_eq!(j, 45);
}