Copyright 2015 The Prometheus 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, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

package model
Inline and byte-free variant of hash/fnv's fnv64a.

const (
	offset64 = 14695981039346656037
	prime64  = 1099511628211
)
hashNew initializies a new fnv64a hash value.
func () uint64 {
	return offset64
}
hashAdd adds a string to a fnv64a hash value, returning the updated hash.
func ( uint64,  string) uint64 {
	for  := 0;  < len(); ++ {
		 ^= uint64([])
		 *= prime64
	}
	return 
}
hashAddByte adds a byte to a fnv64a hash value, returning the updated hash.
func ( uint64,  byte) uint64 {
	 ^= uint64()
	 *= prime64
	return