rust/tests/ui/regions/regions-steal-closure.rs
2023-01-11 09:32:08 +00:00

18 lines
339 B
Rust

#![feature(fn_traits)]
struct ClosureBox<'a> {
cl: Box<dyn FnMut() + 'a>,
}
fn box_it<'r>(x: Box<dyn FnMut() + 'r>) -> ClosureBox<'r> {
ClosureBox {cl: x}
}
fn main() {
let mut cl_box = {
let mut i = 3;
box_it(Box::new(|| i += 1)) //~ ERROR `i` does not live long enough
};
cl_box.cl.call_mut(());
}