feat: add EqualWithFunc function for slice

slice/slice.go

@@ -162,6 +162,22 @@ func Equal[T comparable](slice1, slice2 []T) bool {
 	return true
 }
 
+// EqualWithFunc checks if two slices are equal with comparator func
+func EqualWithFunc[T, U any](slice1 []T, slice2 []U, comparator func(T, U) bool) bool {
+	if len(slice1) != len(slice2) {
+		return false
+	}
+
+	for i, v1 := range slice1 {
+		v2 := slice2[i]
+		if !comparator(v1, v2) {
+			return false
+		}
+	}
+
+	return true
+}
+
 // Every return true if all of the values in the slice pass the predicate function.
 func Every[T any](slice []T, predicate func(index int, item T) bool) bool {
 	if predicate == nil {

slice/slice_test.go

@@ -79,6 +79,19 @@ func TestEqual(t *testing.T) {
 	assert.Equal(false, Equal(slice1, slice3))
 }
 
+func TestEqualWithFunc(t *testing.T) {
+	assert := internal.NewAssert(t, "TestEqualWithFunc")
+
+	slice1 := []int{1, 2, 3}
+	slice2 := []int{2, 4, 6}
+
+	isDouble := func(a, b int) bool {
+		return b == a*2
+	}
+
+	assert.Equal(true, EqualWithFunc(slice1, slice2, isDouble))
+}
+
 func TestEvery(t *testing.T) {
 	nums := []int{1, 2, 3, 5}
 	isEven := func(i, num int) bool {