Method ~mmap_array

less_slow.cpp:6992–6995

    }

    ~mmap_array() noexcept {
        ::munlock(data_, size_ * sizeof(type_));
        ::munmap(data_, size_ * sizeof(type_));
    }

    type_ *begin() const noexcept { return data_; }
    type_ *end() const noexcept { return data_ + size_; }