diff --git a/sliceutil/compatibility.go b/sliceutil/compatibility.go
index 683a898..d6cd7d9 100644
--- a/sliceutil/compatibility.go
+++ b/sliceutil/compatibility.go
@@ -1,84 +1,98 @@
 package sliceutil
 
 // JoinInt see Join
+//
 // Deprecated: use Join
 func JoinInt(ints []int64) string {
 	return Join(ints)
 }
 
 // UniqInt64 see Unique
+//
 // Deprecated: use Unique
 func UniqInt64(list []int64) []int64 {
 	return Unique(list)
 }
 
 // UniqString see Unique
+//
 // Deprecated: use Unique
 func UniqString(list []string) []string {
 	return Unique(list)
 }
 
 // UniqueMergeSlices see MergeUnique
+//
 // Deprecated: use MergeUnique
 func UniqueMergeSlices(s [][]int64) (result []int64) {
 	return MergeUnique(s)
 }
 
 // InStringSlice see Contains
+//
 // Deprecated: use Contains
 func InStringSlice(list []string, str string) bool {
 	return Contains(list, str)
 }
 
 // InIntSlice see Contains
+//
 // Deprecated: use Contains
 func InIntSlice(list []int, i int) bool {
 	return Contains(list, i)
 }
 
 // InInt64Slice see Contains
+//
 // Deprecated: use Contains
 func InInt64Slice(list []int64, i int64) bool {
 	return Contains(list, i)
 }
 
 // RepeatString see Repeat
+//
 // Deprecated: use Repeat
 func RepeatString(s string, n int) (r []string) {
 	return Repeat(s, n)
 }
 
 // ChooseString see Choose
+//
 // Deprecated: use Choose
 func ChooseString(l []string) string {
 	return Choose(l)
 }
 
 // FilterString see Filter
+//
 // Deprecated: use Filter
 func FilterString(list []string, fun func(string) bool) []string {
 	return Filter(list, fun)
 }
 
 // RemoveString see Remove
+//
 // Deprecated: use Remove
 func RemoveString(list []string, s string) (out []string) {
 	return Remove(list, s)
 }
 
 // FilterStringEmpty see FilterEmpty
+//
 // Deprecated: use FilterEmpty
 func FilterStringEmpty(e string) bool {
 	return FilterEmpty(e)
 }
 
 // FilterInt see Filter
+//
 // Deprecated: use Filter
 func FilterInt(list []int64, fun func(int64) bool) []int64 {
 	return Filter(list, fun)
 }
 
 // StringMap see Map
+//
 // Deprecated: use Map
 func StringMap(list []string, f func(string) string) []string {
 	return Map(list, f)