diff --git a/cache/interface.go b/cache/cache.go
similarity index 100%
rename from cache/interface.go
rename to cache/cache.go
diff --git a/helper/maps/map.go b/helper/maps/map.go
index d11f2a4..f4c2016 100644
--- a/helper/maps/map.go
+++ b/helper/maps/map.go
@@ -1,6 +1,8 @@
 package maps
 
-import "encoding/json"
+import (
+	"encoding/json"
+)
 
 func StrAnyMapToStruct[T any, M any](m M) (r T, err error) {
 	str, err := json.Marshal(m)
@@ -54,6 +56,17 @@ func IsExists[K comparable, V any](m map[K]V, k K) bool {
 	return ok
 }
 
+func Keys[K comparable, V any](m map[K]V) []K {
+	return FilterToSlice(m, func(k K, v V) (K, bool) {
+		return k, true
+	})
+}
+func Values[K comparable, V any](m map[K]V) []V {
+	return FilterToSlice(m, func(k K, v V) (V, bool) {
+		return v, true
+	})
+}
+
 func Reduce[T, V any, K comparable](m map[K]V, fn func(K, V, T) T, r T) T {
 	for k, v := range m {
 		r = fn(k, v, r)