Method operator()

src/fl/stl/string.h:534–540

// where you need fast lookup and don't care about alphabetical order.
struct StringFastLess {
    bool operator()(const string &a, const string &b) const FL_NOEXCEPT {
        fl::size al = a.size(), bl = b.size();
        if (al != bl) {
            return al < bl;
        }
        return fl::memcmp(a.c_str(), b.c_str(), al) < 0;
    }
};

} // namespace fl