1  var identity = require('./identity'),
 2      metaMap = require('./_metaMap');
 3  
 4  /**
 5   * The base implementation of `setData` without support for hot loop shorting.
 6   *
 7   * @private
 8   * @param {Function} func The function to associate metadata with.
 9   * @param {*} data The metadata.
10   * @returns {Function} Returns `func`.
11   */
12  var baseSetData = !metaMap ? identity : function(func, data) {
13    metaMap.set(func, data);
14    return func;
15  };
16  
17  module.exports = baseSetData;