var encoding/gob.spaceForLength

4 uses

	encoding/gob (current package)
		encode.go#L418: 	data.Write(spaceForLength)
		encoder.go#L31: var spaceForLength = make([]byte, maxLength)
		encoder.go#L85: 	b.Write(spaceForLength)
		encoder.go#L241: 	enc.byteBuf.Write(spaceForLength)