rendering-the-api-call.rs

{
  search_api_call_opt.as_ref().map(|ref mut search_api_call| {
    match &mut *search_api_call.borrow_mut() {
      PromiseState::Success(search_results) => {
        let search_results = search_results.clone();
        render_search_results(search_results, |track_id| {
          page.go_to_detail_view(track_id);
        })
      },
      PromiseState::Pending => smd!(<p>Loading</p>),
      PromiseState::Error(_) => smd!(<p>Something went wrong</p>),
    }
  })
}