feat: add ReverseIntersect function

slice/slice_test.go

@@ -407,7 +407,18 @@ func TestIntersection(t *testing.T) {
 	for i := 0; i < len(res); i++ {
 		assert.Equal(expected[i], res[i])
 	}
-	// assert.IsNil(Intersection())
+}
+
+func TestReverseIntersect(t *testing.T) {
+	assert := internal.NewAssert(t, "TestIntersection")
+
+	s1 := []int{1, 2, 3}
+	s2 := []int{1, 2, 4}
+	s3 := []int{1, 2, 3, 5}
+
+	assert.Equal([]int{1, 2, 3}, ReverseIntersect(s1))
+	assert.Equal([]int{3, 4}, ReverseIntersect(s1, s2))
+	assert.Equal([]int{3, 4, 5}, ReverseIntersect(s1, s2, s3))
 }
 
 func TestReverse(t *testing.T) {