rust/tests/ui/issues/issue-12127.rs
2023-01-11 09:32:08 +00:00

15 lines
328 B
Rust

#![feature(unboxed_closures, tuple_trait)]
fn to_fn_once<A:std::marker::Tuple,F:FnOnce<A>>(f: F) -> F { f }
fn do_it(x: &isize) { }
fn main() {
let x: Box<_> = Box::new(22);
let f = to_fn_once(move|| do_it(&*x));
to_fn_once(move|| {
f();
f();
//~^ ERROR: use of moved value: `f`
})()
}