docs: function _manyPromises ( list ) {
                                      let askObject = list.map ( el => _singlePromise() )
                                      let askList   = askObject.map ( o => o.promise )
                                      
                                      askObject [ 'promises'   ] = askList
                                      askObject [ 'onComplete' ] = _after ( Promise.all (askList) )
                                      return askObject
     }