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listings
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ch18-patterns-and-matching
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listing-18-26
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src
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main.rs
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fn
main
()
{
// ANCHOR: here
let
num
=
Some
(
4
);
match
num
{
Some
(
x
)
if
x
<
5
=>
println
!(
"less than five: {}"
,
x
),
Some
(
x
)
=>
println
!(
"{}"
,
x
),
None
=>
(),
}
// ANCHOR_END: here
}