github.com/palcoin-project/palcd@v1.0.0/blockchain/timesorter.go (about)

     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  
     5  package blockchain
     6  
     7  // timeSorter implements sort.Interface to allow a slice of timestamps to
     8  // be sorted.
     9  type timeSorter []int64
    10  
    11  // Len returns the number of timestamps in the slice.  It is part of the
    12  // sort.Interface implementation.
    13  func (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.
    19  func (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.
    25  func (s timeSorter) Less(i, j int) bool {
    26  	return s[i] < s[j]
    27  }