lodash/_mapGet.js

define(['./_Map', './_assocGet', './_hashGet', './_isKeyable'], function(Map, assocGet, hashGet, isKeyable) {

  /**
   * Gets the map value for `key`.
   *
   * @private
   * @name get
   * @memberOf MapCache
   * @param {string} key The key of the value to get.
   * @returns {*} Returns the entry value.
   */
  function mapGet(key) {
    var data = this.__data__;
    if (isKeyable(key)) {
      return hashGet(typeof key == 'string' ? data.string : data.hash, key);
    }
    return Map ? data.map.get(key) : assocGet(data.map, key);
  }

  return mapGet;
});