text: "use strict";
  
  const fns = require("./tasks.js");
  module.exports = {
  
      concatP: function(
          a, b) {
          return new Promise(resolve => {
              fns.concat(a, b, resolve);
          });
      },
      upperP: function(
          a) {
          return new Promise(resolve => {
              fns.upper(a, resolve);
          });
      },
      decorP: function(
          a) {
          return new Promise(resolve => {
              fns.decor(a, resolve);
          });
      }
  };