use slices.Sort instead of old Sort interface

Benchmark confirms that slices.Sort is faster.

Author: gammazero

cidenc/encoder.go

@@ -53,7 +53,6 @@ func (enc Encoder) noopRecode(v string) (bool, error) {
 func cidVer(v string) int {
 	if len(v) == 46 && v[:2] == "Qm" {
 		return 0
-	} else {
-		return 1
 	}
+	return 1
 }

format.go

@@ -115,9 +115,8 @@ type FormatStringError struct {
 func (e FormatStringError) Error() string {
 	if e.Specifier == "" {
 		return e.Message
-	} else {
-		return fmt.Sprintf("%s: %s", e.Message, e.Specifier)
 	}
+	return fmt.Sprintf("%s: %s", e.Message, e.Specifier)
 }
 
 func baseToString(base mb.Encoding) string {

slice.go

@@ -1,7 +1,8 @@
 package cidutil
 
 import (
-	"sort"
+	"slices"
+	"strings"
 
 	"github.com/ipfs/go-cid"
 )
@@ -22,10 +23,12 @@ func (s Slice) Swap(i, j int) {
 }
 
 func (s Slice) Sort() {
-	sort.Sort(s)
+	Sort(s)
 }
 
 // Sort sorts a slice of CIDs
 func Sort(s []cid.Cid) {
-	Slice(s).Sort()
+	slices.SortFunc(s, func(a, b cid.Cid) int {
+		return strings.Compare(a.KeyString(), b.KeyString())
+	})
 }