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Update for-expressions.md (#359)

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* Update for-expressions.md

* Update for-expressions.md

* Update for-expressions.md

* Fix formatting.

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Co-authored-by: Andrew Walbran <qwandor@google.com>
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Charisee Chiw 2023-02-09 13:17:15 -08:00 committed by GitHub
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src/control-flow/for-expressions.md
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@ -24,5 +24,6 @@ You can use `break` and `continue` here as usual.
* Index iteration is not a special syntax in Rust for just that case.
* `(0..10)` is a range that implements an `Iterator` trait.
* `step_by` is a method that returns another `Iterator` that skips every other element.
* Modify the elements in the vector and explain the compiler errors. Change vector `v` to be mutable and the for loop to `for x in v.iter_mut()`.
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