@Component({
  selector: 'keyvalue-pipe',
  template: `
    
Object
    

      {{item.key}}:{{item.value}}
    
    
Map
    

      {{item.key}}:{{item.value}}
    
  `
})
export class KeyValuePipeComponent {
  object: {[key: number]: string} = {2: 'foo', 1: 'bar'};
  map = new Map([[2, 'foo'], [1, 'bar']]);
}