30 #ifndef FORMATTING_IMPLEMENTATIONS_H_ 31 #define FORMATTING_IMPLEMENTATIONS_H_ 56 std::stringstream string_stream;
58 return string_stream.str();
73 return std::string(value_);
88 return value_ ?
"true" :
"false";
109 template <
typename T>
118 std::stringstream string_stream;
119 string_stream << *value_;
120 return string_stream.str();