packagepqimport("encoding/hex""fmt")// decodeUUIDBinary interprets the binary format of a uuid, returning it in text format.funcdecodeUUIDBinary(src[]byte)([]byte,error){iflen(src)!=16{returnnil,fmt.Errorf("pq: unable to decode uuid; bad length: %d",len(src))}dst:=make([]byte,36)dst[8],dst[13],dst[18],dst[23]='-','-','-','-'hex.Encode(dst[0:],src[0:4])hex.Encode(dst[9:],src[4:6])hex.Encode(dst[14:],src[6:8])hex.Encode(dst[19:],src[8:10])hex.Encode(dst[24:],src[10:16])returndst,nil}