github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal/hash/fnv.go (about)

     1  // Copyright 2021 The Bitalosdb author(hustxrb@163.com) and other contributors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package hash
    16  
    17  import "hash/fnv"
    18  
    19  func Fnv32(key []byte) uint32 {
    20  	h := fnv.New32()
    21  	h.Write(key)
    22  	return h.Sum32()
    23  }
    24  
    25  func Fnv64(key []byte) uint64 {
    26  	h := fnv.New64()
    27  	h.Write(key)
    28  	return h.Sum64()
    29  }