title: How to use canReuse and routerOnReuse in Angular 2
body: <p>I have checked this <a href="https://angular.io/docs/ts/latest/api/router-deprecated/index/OnReuse-interface.html" rel="nofollow">link</a> But it's not very clear to me how to use this.</p>
  
  <p>Requirement is simple I will change param in URL but don't won't to send API request again and again, which I am sending from OnInit.</p>