Iterator inifinity loop

[hoseup]

index.ts
line at 67

is this right?

 value = this.next(index++);

[hoseup]

index.ts
line at 736

is this correct code?

return new Iterator<Entity>(() => {
...
}

i think this is correct code .

return new Iterator<Entity>((offset:number) => {
 index += offset;
...
}