diff options
Diffstat (limited to 'base/stl_util-inl.h')
| -rw-r--r-- | base/stl_util-inl.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/base/stl_util-inl.h b/base/stl_util-inl.h index 54b7b29..70fa69e 100644 --- a/base/stl_util-inl.h +++ b/base/stl_util-inl.h @@ -447,4 +447,11 @@ std::vector<T> SetToVector(const std::set<T>& values) { return result; } +// Test to see if a set, map, hash_set or hash_map contains a particular key. +// Returns true if the key is in the collection. +template <typename Collection, typename Key> +bool ContainsKey(const Collection& collection, const Key& key) { + return collection.find(key) != collection.end(); +} + #endif // BASE_STL_UTIL_INL_H_ |