Method copy_from

src/include/buffer.hpp:394–399

\brief copy from \param vec the vector

    /// \brief copy from
    /// \param vec the vector
    void copy_from(const std::vector<T>& vec) {
        if (vec.size() * sizeof(T) != this->size_) {
            throw std::runtime_error("Size mismatch in copy_from(vector)");
        }
        std::memcpy(data_, vec.data(), size_);
    }

    /// \brief cast to another type
    /// \tparam U the type