Method assign_external_data

Assign an external buffer to the array, which would replace the existing content. \param data External data buffer to use (cannot be NULL). \param size Size of the data buffer in items. \param capacity Capacity of the buffer, cannot be zero or smaller than `size`. \param access_flags Flags that describe whether the data is read-only or read-write, see \ref BLDataAccessFlags. \param destroy_func A