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#![feature(unboxed_closures, tuple_trait)]
fn to_fn_mut<A:std::marker::Tuple,F:FnMut<A>>(f: F) -> F { f }
fn to_fn_once<A:std::marker::Tuple,F:FnOnce<A>>(f: F) -> F { f }
pub fn main() {
let bar: Box<_> = Box::new(3);
let _g = to_fn_mut(|| {
let _h = to_fn_once(move || -> isize { *bar }); //~ ERROR cannot move out of
});
}
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