func (b *bufioW) AppendNil() {
	b.mu.Lock()
	b.buf = append(b.buf, binNIL...)
	b.mu.Unlock()
}
// AppendNil appends a nil-value to the output buffer
AppendNil appends a nil-value to the output buffer
// AppendNil appends a nil - value to the output buffer
func (b *bufioW) AppendNil() {
	b.mu.Lock()
	b.buf = append(b.buf, binNIL...)
	b.mu.Unlock()
}
func ( b * bufioW ) AppendNil ( ) { b . mu . Lock ( ) b . buf = append ( b . buf , binNIL ... ) b . mu . Unlock ( ) }
AppendNil appends a nil-value to the output buffer
AppendNil appends a nil - value to the output buffer