[sliceutil] Added method 'IsEqual'

CHANGELOG.md

@@ -2,8 +2,9 @@
 
 ### 12.120.0
 
-- `[knf]` Added `Alias` method
+- `[knf]` Added methods `Alias` and `Config.Alias`
 - `[knf]` Added property name validation for all getters
+- `[sliceutil]` Added method `IsEqual`
 - `[knf]` Code refactoring
 - `[knf]` Added more tests
 

sliceutil/example_test.go

@@ -17,28 +17,40 @@ func ExampleCopy() {
 	s1 := []string{"A", "B", "C"}
 	s2 := Copy(s1)
 
-	fmt.Printf("%v", s2)
+	fmt.Printf("%v\n", s2)
 	// Output: [A B C]
 }
 
+func ExampleIsEqual() {
+	s1 := []int{1, 2, 3, 4}
+	s2 := []int{1, 2, 3, 4}
+	s3 := []int{1, 3, 2, 4}
+
+	fmt.Printf("%v == %v → %t\n", s1, s2, IsEqual(s1, s2))
+	fmt.Printf("%v == %v → %t\n", s2, s3, IsEqual(s2, s3))
+	// Output:
+	// [1 2 3 4] == [1 2 3 4] → true
+	// [1 2 3 4] == [1 3 2 4] → false
+}
+
 func ExampleStringToInterface() {
 	s := []string{"A", "B"}
 
-	fmt.Printf("%v", StringToInterface(s))
+	fmt.Printf("%v\n", StringToInterface(s))
 	// Output: [A B]
 }
 
 func ExampleIntToInterface() {
 	s := []int{1, 2}
 
-	fmt.Printf("%v", IntToInterface(s))
+	fmt.Printf("%v\n", IntToInterface(s))
 	// Output: [1 2]
 }
 
 func ExampleErrorToString() {
 	s := []error{fmt.Errorf("error1")}
 
-	fmt.Printf("%v", ErrorToString(s))
+	fmt.Printf("%v\n", ErrorToString(s))
 	// Output: [error1]
 }
 

sliceutil/sliceutil.go

@@ -26,6 +26,24 @@ func Copy[K comparable](slice []K) []K {
 	return s
 }
 
+// IsEqual compares two slices and returns true if the slices are equal
+func IsEqual[K comparable](s1, s2 []K) bool {
+	switch {
+	case s1 == nil && s2 == nil:
+		return true
+	case len(s1) != len(s2):
+		return false
+	}
+
+	for i := range s1 {
+		if s1[i] != s2[i] {
+			return false
+		}
+	}
+
+	return true
+}
+
 // StringToInterface converts slice with strings to slice with any
 func StringToInterface(data []string) []any {
 	if len(data) == 0 {

sliceutil/sliceutil_test.go

@@ -35,6 +35,22 @@ func (s *SliceSuite) TestCopy(c *C) {
 	c.Assert(Copy([]string{"A"}), DeepEquals, []string{"A"})
 }
 
+func (s *SliceSuite) TestIsEqual(c *C) {
+	s1 := []int{1, 2, 3, 4}
+	s2 := []int{1, 2, 3, 4}
+	s3 := []int{1, 3, 2, 4}
+	s4 := []int{1, 2, 3}
+
+	var s5, s6 []int
+
+	c.Assert(IsEqual(s1, nil), Equals, false)
+	c.Assert(IsEqual(nil, s2), Equals, false)
+	c.Assert(IsEqual(s1, s2), Equals, true)
+	c.Assert(IsEqual(s1, s3), Equals, false)
+	c.Assert(IsEqual(s1, s4), Equals, false)
+	c.Assert(IsEqual(s5, s6), Equals, true)
+}
+
 func (s *SliceSuite) TestStringToInterface(c *C) {
 	source := []string{"1", "2", "3"}