Method operator==

src/fl/stl/optional.h:83–91

    explicit operator bool() const FL_NOEXCEPT { return !empty(); }

    bool operator==(const Optional &other) const FL_NOEXCEPT {
        if (empty() && other.empty()) {
            return true;
        }
        if (empty() || other.empty()) {
            return false;
        }
        return *ptr() == *other.ptr();
    }

    bool operator!=(const Optional &other) const FL_NOEXCEPT { return !(*this == other); }