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minmax.go
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minmax.go
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package utils
import (
"math"
"time"
)
// InfDuration is a duration of infinite length
const InfDuration = time.Duration(math.MaxInt64)
// MinNonZeroDuration return the minimum duration that's not zero.
func MinNonZeroDuration(a, b time.Duration) time.Duration {
if a == 0 {
return b
}
if b == 0 {
return a
}
return min(a, b)
}
// MinTime returns the earlier time
func MinTime(a, b time.Time) time.Time {
if a.After(b) {
return b
}
return a
}
// MinNonZeroTime returns the earlist time that is not time.Time{}
// If both a and b are time.Time{}, it returns time.Time{}
func MinNonZeroTime(a, b time.Time) time.Time {
if a.IsZero() {
return b
}
if b.IsZero() {
return a
}
return MinTime(a, b)
}
// MaxTime returns the later time
func MaxTime(a, b time.Time) time.Time {
if a.After(b) {
return a
}
return b
}