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15f159addefd8fea7564ba7617c8af78582b7816
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.
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src
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test
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ui
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binding
/
match-ref-binding-mut-option.rs
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// run-pass
pub
fn
main
()
{
let
mut
v
=
Some
(
22
);
match
v
{
None
=>
{}
Some
(
ref
mut
p
)
=>
{
*
p
+=
1
;
}
}
assert_eq
!(
v
,
Some
(
23
));
}