package slice

type Slice[T any] []T

func New[T any](initCap int) Slice[T] {
	return make(Slice[T], 0, initCap)
}

func (s *Slice[T]) Append(t T) {
	*s = append(*s, t)
}

func (s *Slice[T]) AppendFront(t T) {
	*s = append([]T{t}, *s...)
}

func (s *Slice[T]) Get(index int) (t T, ok bool) {
	if index < 0 || index >= s.Len() {
		return
	}

	t = (*s)[index]
	ok = true
	return
}

func (s *Slice[T]) Set(index int, t T) (old T, ok bool) {
	if index < 0 || index >= s.Len() {
		return
	}

	old = (*s)[index]
	(*s)[index] = t
	ok = true
	return
}

func (s *Slice[T]) Delete(index int) (t T, ok bool) {
	if index < 0 || index >= s.Len() {
		return
	}

	t = (*s)[index]
	*s = append((*s)[:index], (*s)[index+1:]...)
	ok = true
	return
}

func (s *Slice[T]) Swap(i, j int) {
	if i < 0 || j < 0 || i >= s.Len() || j >= s.Len() {
		return
	}

	(*s)[i], (*s)[j] = (*s)[j], (*s)[i]
}

func (s *Slice[T]) Len() int {
	return len(*s)
}

func (s *Slice[T]) Cap() int {
	return cap(*s)
}

func (s *Slice[T]) Clear() {
	*s = Slice[T]{}
}