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15a6560abe9880705f51d219c1fa94f880dbaf35
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book
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listings
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ch13-functional-features
/
listing-13-18
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src
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main.rs
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fn
main
()
{
// ANCHOR: here
let
v1
:
Vec
<
i32
>
=
vec
![
1
,
2
,
3
];
let
v2
:
Vec
<
_
>
=
v1
.
iter
().
map
(|
x
|
x
+
1
).
collect
();
assert_eq
!(
v2
,
vec
![
2
,
3
,
4
]);
// ANCHOR_END: here
}