update readme

README.md

@@ -116,8 +116,7 @@ Supported helpers for slices:
 - [Compact](#compact)
 - [IsSorted](#issorted)
 - [IsSortedByKey](#issortedbykey)
-- [Insert](#insert)
-- [InsertSlice](#insertslice)
+- [Splice](#Splice)
 
 Supported helpers for maps:
 
@@ -936,12 +935,12 @@ result := lo.Insert(["a", "c", "d"], 1, "b")
 
 [[play](https://go.dev/play/p/Eu3pk6_ODVQ)]
 
-### InsertSlice
+### Splice
 
-Inserts multiple elements at index i.
+Splice multiple elements at index i.
 
 ```go
-result := lo.InsertSlice([]string{"a", "d"}, 1, []string{"b", "c"})
+result := lo.Splice([]string{"a", "d"}, 1, "b", "c")
 // []string{"a", "b", "c", "d"}
 ```
 

slice_test.go

@@ -765,8 +765,10 @@ func TestInsertSlice(t *testing.T) {
 	is := assert.New(t)
 
 	inserts := Splice([]string{"a", "d"}, 1, "b", "c")
+	is.Equal(inserts, []string{"a", "b", "c", "d"})
 	is.True(len(inserts) == 4 && inserts[1] == "b" && inserts[2] == "c")
 
 	inserti := Splice([]int{1, 4}, 1, 2, 3)
+	is.Equal(inserti, []int{1, 2, 3, 4})
 	is.True(len(inserti) == 4 && inserti[1] == 2 && inserti[2] == 3)
 }