feat: add Merge func

maputil/map.go

@@ -25,3 +25,16 @@ func Values[K comparable, V any](m map[K]V) []V {
 
 	return values
 }
+
+// Merge maps, next key will overwrite previous key
+func Merge[K comparable, V any](maps ...map[K]V) map[K]V {
+	res := make(map[K]V, 0)
+
+	for _, m := range maps {
+		for k, v := range m {
+			res[k] = v
+		}
+	}
+
+	return res
+}

maputil/map_test.go

@@ -40,3 +40,25 @@ func TestValues(t *testing.T) {
 
 	assert.Equal([]string{"a", "a", "b", "c", "d"}, values)
 }
+
+func TestMerge(t *testing.T) {
+	assert := internal.NewAssert(t, "TestMerge")
+
+	m1 := map[int]string{
+		1: "a",
+		2: "b",
+	}
+	m2 := map[int]string{
+		1: "1",
+		3: "2",
+	}
+
+	expected := map[int]string{
+		1: "1",
+		2: "b",
+		3: "2",
+	}
+	acturl := Merge(m1, m2)
+
+	assert.Equal(expected, acturl)
+}