t19

t19.ts

export class NgForOfContext<T> {
  constructor(
      public $implicit: T, public ngForOf: NgIterable<T>, public index: number,
      public count: number) {}

  get first(): boolean { return this.index === 0; }

  get last(): boolean { return this.index === this.count - 1; }

  get even(): boolean { return this.index % 2 === 0; }

  get odd(): boolean { return !this.even; }
}