Method trim

visage_utils/string_utils.h:391–399

    }

    String trim() const {
      size_t start = string_.find_first_not_of(U" \t\n\r");
      size_t end = string_.find_last_not_of(U" \t\n\r");

      if (start == std::u32string::npos || end == std::u32string::npos)
        return "";

      return string_.substr(start, end - start + 1);
    }

  private:
    std::u32string string_;