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wakapi/models/durations.go

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package models
import "sort"
type Durations []*Duration
func (d Durations) Len() int {
return len(d)
}
func (d Durations) Less(i, j int) bool {
return d[i].Time.T().Before(d[j].Time.T())
}
func (d Durations) Swap(i, j int) {
d[i], d[j] = d[j], d[i]
}
func (d Durations) TotalNumHeartbeats() int {
var total int
for _, e := range d {
total += e.NumHeartbeats
}
return total
}
func (d Durations) Sorted() Durations {
sort.Sort(d)
return d
}
func (d *Durations) First() *Duration {
// assumes slice to be sorted
if d.Len() == 0 {
return nil
}
return (*d)[0]
}
func (d *Durations) Last() *Duration {
// assumes slice to be sorted
if d.Len() == 0 {
return nil
}
return (*d)[d.Len()-1]
}