1// Copyright (c) 2013-2017 The btcsuite developers 2// Use of this source code is governed by an ISC 3// license that can be found in the LICENSE file. 4 5package blockchain 6 7// timeSorter implements sort.Interface to allow a slice of timestamps to 8// be sorted. 9type timeSorter []int64 10 11// Len returns the number of timestamps in the slice. It is part of the 12// sort.Interface implementation. 13func (s timeSorter) Len() int { 14 return len(s) 15} 16 17// Swap swaps the timestamps at the passed indices. It is part of the 18// sort.Interface implementation. 19func (s timeSorter) Swap(i, j int) { 20 s[i], s[j] = s[j], s[i] 21} 22 23// Less returns whether the timstamp with index i should sort before the 24// timestamp with index j. It is part of the sort.Interface implementation. 25func (s timeSorter) Less(i, j int) bool { 26 return s[i] < s[j] 27} 28