Source:          conn,
			State:           c.side,
			CheckUTF8:       true,
			SkipHeaderCheck: false,
			OnIntermediate:  controlHandler,
		}
		readDataInto := func(dst []byte, rw io.ReadWriter, s ws.State, want ws.OpCode) ([]byte, error) {
			dst = dst[:0]
			for {
				hdr, err := wsReader.NextFrame()
				if err != nil {
					return nil, err
				}
				if hdr.OpCode.IsControl() {

}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set
	Writer  // includes methods of Writer in ReadWriter's method set
}
</pre>

<p>
A <i>union</i> of method sets contains the (exported and non-exported)

}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set
	Writer  // includes methods of Writer in ReadWriter's method set
}
</pre>

<p>
When embedding interfaces, methods with the