Method buf

common/unordered_inline_set.h:35–37

        return (capacity + u - 1) / u;
    }
    void* buf() {
        return _ptr - get_s(_capacity);
    }
    const T* _get(size_t i) const {
        assert(i < _capacity);
        return get_bit(i) ? (_ptr + i) : nullptr;