some tests

set_test.go

@@ -0,0 +1,19 @@
+package extypes
+
+import "testing"
+
+func TestSet(t *testing.T) {
+	s1 := make(Set[int], 0)
+	s2 := make(Set[int], 0)
+
+	s1 = s1.Add(1)
+	s1 = s1.Add(2)
+	s1 = s1.Add(2)
+
+	s2 = s2.Add(1)
+	s2 = s2.Add(2)
+
+	if !s1.Equal(s2) {
+		t.Error("s1 and s2 not equal")
+	}
+}

tuple.go

@@ -13,10 +13,7 @@ func (t Tuple[T]) Len() int        { return t.s.Len() }
 func (t Tuple[T]) Cap() int        { return t.s.Cap() }
 func (t Tuple[T]) Get(index int) T { return t.s.Get(index) }
 func (t Tuple[T]) Equal(t2 Tuple[T]) bool {
-	if t.Len() != t2.Len() {
-		return false
-	}
-	if t.Cap() != t2.Cap() {
+	if t.Len() != t2.Len() || t.Cap() != t2.Cap() {
 		return false
 	}
 	for i := range t.s {

tuple_test.go

@@ -0,0 +1,12 @@
+package extypes
+
+import "testing"
+
+func TestTuple(t *testing.T) {
+	t1 := NewTupleFrom([]int{1, 2, 3})
+	t2 := NewTupleFrom([]int{1, 2, 3})
+
+	if !t1.Equal(t2) {
+		t.Error("t1 and t2 should be equal")
+	}
+}