* Creates a range to reference the contents of a contiguous-storage container.
*/
// Use pointers for types with '.data()' member
-template <
- class Collection,
- class T = typename std::remove_pointer<
- decltype(std::declval<Collection>().data())>::type>
-constexpr Range<T*> range(Collection&& v) {
- return Range<T*>(v.data(), v.data() + v.size());
+template <class Collection>
+constexpr auto range(Collection& v) -> Range<decltype(v.data())> {
+ return Range<decltype(v.data())>(v.data(), v.data() + v.size());
+}
+template <class Collection>
+constexpr auto range(Collection const& v) -> Range<decltype(v.data())> {
+ return Range<decltype(v.data())>(v.data(), v.data() + v.size());
+}
+template <class Collection>
+constexpr auto crange(Collection const& v) -> Range<decltype(v.data())> {
+ return Range<decltype(v.data())>(v.data(), v.data() + v.size());
}
template <class T, size_t n>
constexpr Range<T*> range(T (&array)[n]) {
return Range<T*>(array, array + n);
}
+template <class T, size_t n>
+constexpr Range<T const*> range(T const (&array)[n]) {
+ return Range<T const*>(array, array + n);
+}
+template <class T, size_t n>
+constexpr Range<T const*> crange(T const (&array)[n]) {
+ return Range<T const*>(array, array + n);
+}
template <class T, size_t n>
-constexpr Range<const T*> range(const std::array<T, n>& array) {
- return Range<const T*>{array};
+constexpr Range<T*> range(std::array<T, n>& array) {
+ return Range<T*>{array};
+}
+template <class T, size_t n>
+constexpr Range<T const*> range(std::array<T, n> const& array) {
+ return Range<T const*>{array};
+}
+template <class T, size_t n>
+constexpr Range<T const*> crange(std::array<T, n> const& array) {
+ return Range<T const*>{array};
}
typedef Range<const char*> StringPiece;
size_t len) noexcept {
return Range<wchar_t const*>(str, len);
}
-} // inline namespace string_piece_literals
-} // inline namespace literals
+} // namespace string_piece_literals
+} // namespace literals
} // namespace folly