// Copyright 2016 TiKV Project Authors.//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// http://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// See the License for the specific language governing permissions and// limitations under the License.packagetypeutilimport("encoding/binary""github.com/czs007/suvlim/errors")// BytesToUint64 converts a byte slice to uint64.funcBytesToUint64(b[]byte)(uint64,error){iflen(b)!=8{return0,errors.Errorf("invalid data, must 8 bytes, but %d",len(b))}returnbinary.BigEndian.Uint64(b),nil}// Uint64ToBytes converts uint64 to a byte slice.funcUint64ToBytes(vuint64)[]byte{b:=make([]byte,8)binary.BigEndian.PutUint64(b,v)returnb}