Function is_windows_drive_letter

test-app/runtime/src/main/cpp/ada/ada.h:1040–1045

}

constexpr bool is_windows_drive_letter(std::string_view input) noexcept {
  return input.size() >= 2 &&
         (is_alpha(input[0]) && ((input[1] == ':') || (input[1] == '|'))) &&
         ((input.size() == 2) || (input[2] == '/' || input[2] == '\\' ||
                                  input[2] == '?' || input[2] == '#'));
}

constexpr bool is_normalized_windows_drive_letter(
    std::string_view input) noexcept {