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Feb 21, 2019
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Add 'you' #1720

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2 changes: 1 addition & 1 deletion content/docs/hooks-faq.md
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Expand Up @@ -466,7 +466,7 @@ Note that this approach won't work in a loop because Hook calls [can't](/docs/ho

### How to create expensive objects lazily? {#how-to-create-expensive-objects-lazily}

`useMemo` lets you [memoize an expensive calculation](#how-to-memoize-calculations) if the inputs are the same. However, it only serves as a hint, and doesn't *guarantee* the computation won't re-run. But sometimes need to be sure an object is only created once.
`useMemo` lets you [memoize an expensive calculation](#how-to-memoize-calculations) if the inputs are the same. However, it only serves as a hint, and doesn't *guarantee* the computation won't re-run. But sometimes you need to be sure an object is only created once.

**The first common use case is when creating the initial state is expensive:**

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