update:Use the official slice operate func (#4841)

core/stringx/strings.go

@@ -2,6 +2,7 @@ package stringx
 
 import (
 	"errors"
+	"slices"
 	"unicode"
 
 	"github.com/zeromicro/go-zero/core/lang"
@@ -14,17 +15,6 @@ var (
 	ErrInvalidStopPosition = errors.New("stop position is invalid")
 )
 
-// Contains checks if str is in list.
-func Contains(list []string, str string) bool {
-	for _, each := range list {
-		if each == str {
-			return true
-		}
-	}
-
-	return false
-}
-
 // Filter filters chars from s with given filter function.
 func Filter(s string, filter func(r rune) bool) string {
 	var n int
@@ -123,11 +113,7 @@ func Remove(strings []string, strs ...string) []string {
 // Reverse reverses s.
 func Reverse(s string) string {
 	runes := []rune(s)
-
-	for from, to := 0, len(runes)-1; from < to; from, to = from+1, to-1 {
-		runes[from], runes[to] = runes[to], runes[from]
-	}
-
+	slices.Reverse(runes)
 	return string(runes)
 }
 

core/stringx/strings_test.go

@@ -41,28 +41,6 @@ func TestNotEmpty(t *testing.T) {
 	}
 }
 
-func TestContainsString(t *testing.T) {
-	cases := []struct {
-		slice  []string
-		value  string
-		expect bool
-	}{
-		{[]string{"1"}, "1", true},
-		{[]string{"1"}, "2", false},
-		{[]string{"1", "2"}, "1", true},
-		{[]string{"1", "2"}, "3", false},
-		{nil, "3", false},
-		{nil, "", false},
-	}
-
-	for _, each := range cases {
-		t.Run(path.Join(each.slice...), func(t *testing.T) {
-			actual := Contains(each.slice, each.value)
-			assert.Equal(t, each.expect, actual)
-		})
-	}
-}
-
 func TestFilter(t *testing.T) {
 	cases := []struct {
 		input   string