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