code: function (obj, name, Prop, fallback) {
          return _.has(obj, name) ? (new Prop(obj[name])) : fallback;
      }
docs: Creates a property on an object, with the given type.
  
  @param {Object} obj
  @param {String} name
  @param {Property} Prop
  @param {*} [fallback]
  @returns {Prop|undefined}