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Update ch13-02-iterators.md #4742

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Expand Up @@ -196,7 +196,7 @@ their environment.

For this example, we’ll use the `filter` method that takes a closure. The
closure gets an item from the iterator and returns a `bool`. If the closure
returns `true`, the value will be included in the iteration produced by
returns `true`, the value will be included in the iterator produced by
`filter`. If the closure returns `false`, the value won’t be included.

In Listing 13-16, we use `filter` with a closure that captures the `shoe_size`
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