-template <class Value,
- class Hash = StringPieceHash,
- class Eq = std::equal_to<StringPiece>,
- class Alloc = std::allocator<std::pair<const StringPiece, Value>>>
+template <
+ class Value,
+ class Hash = Hash,
+ class Eq = std::equal_to<StringPiece>,
+ class Alloc = std::allocator<std::pair<const StringPiece, Value>>>