ItemSome<T> class
class ItemSome<T> extends ItemOption<T> { final List<T> _vs; ItemSome(this._vs); T operator[](int i) => _vs[i]; operator[]=(int i, T v) => _vs[i] = v; }
Extends
ItemOption<T> > ItemSome<T>
class ItemSome<T> extends ItemOption<T> { final List<T> _vs; ItemSome(this._vs); T operator[](int i) => _vs[i]; operator[]=(int i, T v) => _vs[i] = v; }
ItemOption<T> > ItemSome<T>