Function enqueue_copy_buffer

pub fn enqueue_copy_buffer<T, M, En, Ewl>(
    command_queue: &CommandQueue,
    src_buffer: M,
    dst_buffer: M,
    src_offset: usize,
    dst_offset: usize,
    len: usize,
    wait_list: Option<Ewl>,
    new_event: Option<En>,
) -> Result<()>
where
    T: OclPrm,
    En: ClNullEventPtr,
    Ewl: ClWaitListPtr,
    M: AsMem<T> + MemCmdAll,

Copies the contents of one buffer to another.