A type which meets the requirements of __ConstBufferSequence__. This is the type of buffer returned by `g.prepare(ec)`.
A type which meets the requirements of __ConstBufferSequence__. This is the type of buffer returned by满足 __ConstBufferSequence__ 要求的类型。该类型用于表示 `g.prepare(ec)`.所返回的缓冲区类型。
A type which meets the requirements of __ConstBufferSequence__. This is the type of buffer returned by满足 __ConstBufferSequence__ 要求的类型。该类型用于表示 `g.prepare(ec)`.所返回的缓冲区类型。