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14 lines
430 B
Rust
14 lines
430 B
Rust
fn borrowed_proc<'a>(x: &'a isize) -> Box<dyn FnMut()->(isize) + 'a> {
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// This is legal, because the region bound on `proc`
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// states that it captures `x`.
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Box::new(move|| { *x })
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}
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fn static_proc(x: &isize) -> Box<dyn FnMut() -> (isize) + 'static> {
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// This is illegal, because the region bound on `proc` is 'static.
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Box::new(move || { *x })
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//~^ ERROR lifetime may not live long enough
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}
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fn main() { }
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