code: function injectNumbers (funcs, task) {
    /**
     * Inject a function that returns a number.
     */
  
    function inject (taskKey) {
      var taskName = task[taskKey]
  
      var num = parseFloat(taskName)
  
      if (!isNaN(num)) {
        funcs[taskName] = function () { return num }
      }
    }
  
    Object.keys(task)
      .forEach(inject)
  }
docs: Inject functions that return numbers.
  
  @param {Object} funcs reference
  @param {Object} task collection