rust/tests/ui/unboxed-closures/unboxed-closures-move-from-projection-issue-30046.rs
2024-02-16 20:02:50 +00:00

27 lines
494 B
Rust

//@ run-pass
#![allow(unused)]
fn foo<F>(f: F)
where F: FnOnce()
{
}
fn main() {
// Test that this closure is inferred to `FnOnce`
// because it moves from `y.as<Option::Some>.0`:
let x = Some(vec![1, 2, 3]);
foo(|| {
match x {
Some(y) => { }
None => { }
}
});
// Test that this closure is inferred to `FnOnce`
// because it moves from `y.0`:
let y = (vec![1, 2, 3], 0);
foo(|| {
let x = y.0;
});
}