some tests

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")
+	}
+}