Function transform

extern/nfd/nfd_portal.cpp:92–97

template <typename T, typename Callback>
T* transform(const T* begin, const T* end, T* out, Callback callback) {
    for (; begin != end; ++begin) {
        *out++ = callback(*begin);
    }
    return out;
}

constexpr const char* STR_EMPTY = "";
constexpr const char* STR_OPEN_FILE = "Open File";