export class Tuple<T, U> {
  constructor(public first: T, public second: U) {}

  public get(): [T, U] {
    return [this.first, this.second];
  }

  public switchGet(elem: any): any{
    if(elem == this.first){
      return this.second;
    } else {
      return this.first;
    }
  }
}