tuple and code cleanup

tuple.go

@@ -0,0 +1,60 @@
+package extypes
+
+import "reflect"
+
+type Tuple[T any] struct {
+	s Slice[T]
+}
+
+func NewTupleFrom[T any](src []T) Tuple[T] {
+	return Tuple[T]{src}
+}
+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() {
+		return false
+	}
+	for i := range t.s {
+		if !reflect.DeepEqual(t.s[i], t2.s[i]) {
+			return false
+		}
+	}
+	return true
+}
+
+func (t Tuple[T]) ToArray() []T {
+	out := make([]T, t.Len())
+	copy(out, t.s)
+	return out
+}
+func (t Tuple[T]) ToAnyArray() []any {
+	out := make([]any, t.Len())
+	for i, v := range t.s {
+		out[i] = v
+	}
+	return out
+}
+func (t Tuple[T]) ToSet() Set[T]     { return NewSetFrom(t.s) }
+func (t Tuple[T]) ToSlice() Slice[T] { return NewSliceFrom(t.s) }
+
+func (t Tuple[T]) Filter(f func(e T) bool) Tuple[T] {
+	out := make(Slice[T], 0)
+	for _, v := range t.s {
+		if f(v) {
+			out = append(out, v)
+		}
+	}
+	t.s = out
+	return t
+}
+func (t Tuple[T]) ForEach(f func(int, T)) Tuple[T] {
+	for i, v := range t.s {
+		f(i, v)
+	}
+	return t
+}