mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-08-26 03:42:32 +00:00
72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
package congestion
|
|
|
|
import (
|
|
"math"
|
|
"time"
|
|
|
|
"golang.org/x/exp/constraints"
|
|
)
|
|
|
|
// InfDuration is a duration of infinite length
|
|
const InfDuration = time.Duration(math.MaxInt64)
|
|
|
|
func Max[T constraints.Ordered](a, b T) T {
|
|
if a < b {
|
|
return b
|
|
}
|
|
return a
|
|
}
|
|
|
|
func Min[T constraints.Ordered](a, b T) T {
|
|
if a < b {
|
|
return a
|
|
}
|
|
return b
|
|
}
|
|
|
|
// 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)
|
|
}
|
|
|
|
// AbsDuration returns the absolute value of a time duration
|
|
func AbsDuration(d time.Duration) time.Duration {
|
|
if d >= 0 {
|
|
return d
|
|
}
|
|
return -d
|
|
}
|
|
|
|
// 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
|
|
}
|