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use namespace base for base::make_optional in docs

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BUG=none
TBR=mlamouri@chromium.org

Review-Url: https://codereview.chromium.org/2749983002
Cr-Commit-Position: refs/heads/master@{#456964}
This commit is contained in:
michaelpg
2017-03-14 19:44:26 -07:00
committed by Commit bot
parent 5f6ee0e6d3
commit 4a9c82efe7
1 changed files with 2 additions and 2 deletions

4
docs/optional.md

@ -63,10 +63,10 @@ opt_1 == 1; // true
opt_1 == base::nullopt_t; // false
```
`base::Optional<T>` has a helper function `make_optional<T&&>`:
`base::Optional<T>` has a helper function `base::make_optional<T&&>`:
```C++
base::Optional<int> opt = make_optional<int>(GetMagicNumber());
base::Optional<int> opt = base::make_optional<int>(GetMagicNumber());
```
Finally, `base::Optional<T>` is integrated with `std::hash`, using