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implement generic Min and Max functions

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This commit is contained in:
Marten Seemann
2022-07-25 16:10:36 -04:00
parent 424325af58
commit 43bde14cf7
28 changed files with 103 additions and 258 deletions
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106
internal/utils/minmax.go
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@@ -4,108 +4,26 @@ import (
"math"
"time"
"github.com/lucas-clemente/quic-go/internal/protocol"
"golang.org/x/exp/constraints"
)
// InfDuration is a duration of infinite length
const InfDuration = time.Duration(math.MaxInt64)
// MaxInt returns the maximum of two Ints
func MaxInt(a, b int) int {
func Max[T constraints.Ordered](a, b T) T {
if a < b {
return b
}
return a
}
// MaxUint32 returns the maximum of two uint32
func MaxUint32(a, b uint32) uint32 {
if a < b {
return b
}
return a
}
// MaxUint64 returns the maximum of two uint64
func MaxUint64(a, b uint64) uint64 {
if a < b {
return b
}
return a
}
// MinUint64 returns the maximum of two uint64
func MinUint64(a, b uint64) uint64 {
func Min[T constraints.Ordered](a, b T) T {
if a < b {
return a
}
return b
}
// MinInt returns the minimum of two Ints
func MinInt(a, b int) int {
if a < b {
return a
}
return b
}
// MinUint32 returns the maximum of two uint32
func MinUint32(a, b uint32) uint32 {
if a < b {
return a
}
return b
}
// MinInt64 returns the minimum of two int64
func MinInt64(a, b int64) int64 {
if a < b {
return a
}
return b
}
// MaxInt64 returns the minimum of two int64
func MaxInt64(a, b int64) int64 {
if a > b {
return a
}
return b
}
// MinByteCount returns the minimum of two ByteCounts
func MinByteCount(a, b protocol.ByteCount) protocol.ByteCount {
if a < b {
return a
}
return b
}
// MaxByteCount returns the maximum of two ByteCounts
func MaxByteCount(a, b protocol.ByteCount) protocol.ByteCount {
if a < b {
return b
}
return a
}
// MaxDuration returns the max duration
func MaxDuration(a, b time.Duration) time.Duration {
if a > b {
return a
}
return b
}
// MinDuration returns the minimum duration
func MinDuration(a, b time.Duration) time.Duration {
if a > b {
return b
}
return a
}
// MinNonZeroDuration return the minimum duration that's not zero.
func MinNonZeroDuration(a, b time.Duration) time.Duration {
if a == 0 {
@@ -114,7 +32,7 @@ func MinNonZeroDuration(a, b time.Duration) time.Duration {
if b == 0 {
return a
}
return MinDuration(a, b)
return Min(a, b)
}
// AbsDuration returns the absolute value of a time duration
@@ -152,19 +70,3 @@ func MaxTime(a, b time.Time) time.Time {
}
return b
}
// MaxPacketNumber returns the max packet number
func MaxPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber {
if a > b {
return a
}
return b
}
// MinPacketNumber returns the min packet number
func MinPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber {
if a < b {
return a
}
return b
}