Method set

common/unordered_inline_set.h:75–84

    }
    template<typename X>
    void set(size_t i, X&& x) {
        assert(i < _capacity);
        if (get_bit(i)) {
            _ptr[i] = std::forward<X>(x);
        } else {
            new (_ptr + i) T(std::forward<X>(x));
            set_bit(i);
            _size++;
        }
    }
    template<typename...Xs>
    void emplace(size_t i, Xs&&...xs) {
        assert(i < _capacity);