func (b *bufioW) AppendOK() {
	b.mu.Lock()
	b.buf = append(b.buf, binOK...)
	b.mu.Unlock()
}
// AppendOK appends "OK" to the output buffer
AppendOK appends "OK" to the output buffer
// AppendOK appends " OK " to the output buffer
func (b *bufioW) AppendOK() {
	b.mu.Lock()
	b.buf = append(b.buf, binOK...)
	b.mu.Unlock()
}
func ( b * bufioW ) AppendOK ( ) { b . mu . Lock ( ) b . buf = append ( b . buf , binOK ... ) b . mu . Unlock ( ) }
AppendOK appends "OK" to the output buffer
AppendOK appends " OK " to the output buffer