Method next

code/solutions/06_3_iterable_groups.js:40–49

()

  }

  next() {
    if (this.#position >= this.#members.length) {
      return {done: true};
    } else {
      let result = {value: this.#members[this.#position],
                    done: false};
      this.#position++;
      return result;
    }
  }
}

for (let value of Group.from(["a", "b", "c"])) {