huan/lib/instance/Identity.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Identity = (function () {
  function Identity(v) {
    _classCallCheck(this, Identity);

    this.value = v;
  }

  _createClass(Identity, [{
    key: "map",
    value: function map(f) {
      return new Identity(f(this.value));
    }
  }, {
    key: "ap",
    value: function ap(v) {
      return new Identity(this.value(v.value));
    }
  }, {
    key: "extract",
    value: function extract() {
      return this.value;
    }
  }]);

  return Identity;
})();

exports["default"] = Identity;

Identity.of = function (v) {
  return new Identity(v);
};
module.exports = exports["default"];