Method Transform

util/generic/maybe.h:481–489

    template <typename F>
    constexpr auto Transform(F&& func) & {
        using ReturnType = TMaybe<TCallResult<F, T&>>;

        if (Defined()) {
            return ReturnType(std::forward<F>(func)(*Data()));
        }

        return ReturnType{};
    }

    template <typename F>
    constexpr auto Transform(F&& func) const& {