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coroutine
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reborrow-mut-upvar.rs
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//@ run-pass
#![
feature
(
coroutines
)]
fn
_run
(
bar
:
&
mut
i32
)
{
#[
coroutine
]
||
{
//~ WARN unused coroutine that must be used
{
let
_baz
=
&*
bar
;
yield
;
}
*
bar
=
2
;
};
}
fn
main
()
{}