diff options
Diffstat (limited to 'third_party/base/stl_util.h')
-rw-r--r-- | third_party/base/stl_util.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/third_party/base/stl_util.h b/third_party/base/stl_util.h index ab3ac60911..8163b73951 100644 --- a/third_party/base/stl_util.h +++ b/third_party/base/stl_util.h @@ -16,6 +16,18 @@ namespace pdfium { +// C++11 implementation of C++17's std::size(): +// http://en.cppreference.com/w/cpp/iterator/size +template <typename Container> +constexpr auto size(const Container& c) -> decltype(c.size()) { + return c.size(); +} + +template <typename T, size_t N> +constexpr size_t size(const T (&array)[N]) noexcept { + return N; +} + // 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> |