32 explicit fstream(
const char *filepath,
33 std::ios_base::openmode mode = ios_base::in | ios_base::out);
34 explicit fstream(
const std::string &filepath,
35 std::ios_base::openmode mode = ios_base::in | ios_base::out);
37 void open(
StringRefNull filepath, ios_base::openmode mode = ios_base::in | ios_base::out);