public FunEnumerable(int size, Int2Int f) { this.size = size; this.f = f; }
public FunEnumerable(int size, Int2Int f) { this.size = size; this.f = f; }
public FunEnumerable(int size, Int2Int f) { this.size = size; this.f = f; }
public FunEnumerable(int size, Int2Int f) { this.size = size; this.f = f; }