text: /**
   * @file Base case: chain against all promises.
   */
  
  import { A, P, Abind, Pbind } from '../../util/asyncUtil';
  
  const nodes = [
    'A',
    // [
    //   'BA',
    //   'BB'
    // ],
    () => Promise.all(
      [1, 2, 3, 4].map(y => P(
        ...[1, 2].map(x =>
          `C${x}${y}`
        )
      ))
    ),
    'D',
    'E'
  ];
  
  Abind('A', ...nodes);
  // Pbind('P', ...nodes);
  