Added ValuesF helper

README.md

@@ -540,6 +540,15 @@ values := lo.Values[string, int](map[string]int{"foo": 1, "bar": 2})
 // []int{1, 2}
 ```
 
+### ValuesF
+
+same as Values, but additionally filters map elements by provided keys.
+
+```go
+valuesF := ValuesF[string, int](map[string]int{"foo": 1, "bar": 2, "baz": 3}, []string{"foo", "baz"})
+// []int{1, 3}
+```
+
 ### Entries
 
 Transforms a map into array of key/value pairs.

map.go

@@ -22,6 +22,17 @@ func Values[K comparable, V any](in map[K]V) []V {
 	return result
 }
 
+// ValuesF same as Values, but additionally filters map elements by provided keys.
+func ValuesF[K comparable, V any](in map[K]V, keys []K) []V {
+	r := make([]V, 0, len(in))
+	for k, v := range in {
+		if Contains(keys, k) {
+			r = append(r, v)
+		}
+	}
+	return r
+}
+
 // Entries transforms a map into array of key/value pairs.
 func Entries[K comparable, V any](in map[K]V) []Entry[K, V] {
 	entries := make([]Entry[K, V], 0, len(in))

map_test.go

@@ -26,6 +26,15 @@ func TestValues(t *testing.T) {
 	is.Equal(r1, []int{1, 2})
 }
 
+func TestValuesF(t *testing.T) {
+	is := assert.New(t)
+
+	r1 := ValuesF[string, int](map[string]int{"foo": 1, "bar": 2, "baz": 3}, []string{"foo", "baz"})
+	sort.Ints(r1)
+
+	is.Equal(r1, []int{1, 3})
+}
+
 func TestEntries(t *testing.T) {
 	is := assert.New(t)