github.com/Bytom/bytom@v1.1.2-0.20210127130405-ae40204c0b09/common/sort.go (about)

     1  package common
     2  
     3  // timeSorter implements sort.Interface to allow a slice of timestamps to
     4  // be sorted.
     5  type TimeSorter []uint64
     6  
     7  // Len returns the number of timestamps in the slice.  It is part of the
     8  // sort.Interface implementation.
     9  func (s TimeSorter) Len() int {
    10  	return len(s)
    11  }
    12  
    13  // Swap swaps the timestamps at the passed indices.  It is part of the
    14  // sort.Interface implementation.
    15  func (s TimeSorter) Swap(i, j int) {
    16  	s[i], s[j] = s[j], s[i]
    17  }
    18  
    19  // Less returns whether the timstamp with index i should sort before the
    20  // timestamp with index j.  It is part of the sort.Interface implementation.
    21  func (s TimeSorter) Less(i, j int) bool {
    22  	return s[i] < s[j]
    23  }