Add v0 compatibility functions

bunch of dependants still use a version before generics
this will help migration to be done progressively

sliceutil/compatibility.go

@@ -0,0 +1,71 @@
+package sliceutil
+
+// Deprecated: use Join
+func JoinInt(ints []int64) string {
+	return Join(ints)
+}
+
+// Deprecated: use Unique
+func UniqInt64(list []int64) []int64 {
+	return Unique(list)
+}
+
+// Deprecated: use Unique
+func UniqString(list []string) []string {
+	return Unique(list)
+}
+
+// Deprecated: use MergeUnique
+func UniqueMergeSlices(s [][]int64) (result []int64) {
+	return MergeUnique(s)
+}
+
+// Deprecated: use Contains
+func InStringSlice(list []string, str string) bool {
+	return Contains(list, str)
+}
+
+// Deprecated: use Contains
+func InIntSlice(list []int, i int) bool {
+	return Contains(list, i)
+}
+
+// Deprecated: use Contains
+func InInt64Slice(list []int64, i int64) bool {
+	return Contains(list, i)
+}
+
+// Deprecated: use Repeat
+func RepeatString(s string, n int) (r []string) {
+	return Repeat(s, n)
+}
+
+// Deprecated: use Choose
+func ChooseString(l []string) string {
+	return Choose(l)
+}
+
+// Deprecated: use Filter
+func FilterString(list []string, fun func(string) bool) []string {
+	return Filter(list, fun)
+}
+
+// Deprecated: use Remove
+func RemoveString(list []string, s string) (out []string) {
+	return Remove(list, s)
+}
+
+// Deprecated: use FilterEmpty
+func FilterStringEmpty(e string) bool {
+	return FilterEmpty(e)
+}
+
+// Deprecated: use Filter
+func FilterInt(list []int64, fun func(int64) bool) []int64 {
+	return Filter(list, fun)
+}
+
+// Deprecated: use Map
+func StringMap(list []string, f func(string) string) []string {
+	return Map(list, f)
+}