code: function ( parent, child ) {
  		parent.then( function ( arg ) {
  			child.resolve( arg );
  		}, function ( e ) {
  			child.reject( e );
  		});
  	}
docs: Pipes a reconciliation from `parent` to `child`
  
  @method pipe
  @param  {Object} parent Promise
  @param  {Object} child  Promise
  @return {Undefined}     undefined