CallbackReadCloser will create a new CallbackifyReadCloser.

CallbackReader will create a new CallbackifyReader.

LimitReadCloser will return a limited hasCall closer.

ReadSeekCloser wraps a io.Reader returning a SeekCloseableReader.

SectionReadCloser will return a sectioned hasCall closer.

SizedReadSeekCloser will return a size featured SeekCloseableReader.

CallbackifyReadCloser will execute callback func in Read.

CallbackifyReader will execute callback func in Read.

LimitedReadCloser hasCall from underlying r and provide Close as well.

SectionedReadCloser hasCall from underlying r and provide Close as well.

SeekCloseableReader represents a reader that can also delegate io.Seeker and io.Closer interfaces to the underlying object if they are available.