1  var identity = require('./identity');
 2  
 3  /**
 4   * Casts `value` to `identity` if it's not a function.
 5   *
 6   * @private
 7   * @param {*} value The value to inspect.
 8   * @returns {Function} Returns cast function.
 9   */
10  function castFunction(value) {
11    return typeof value == 'function' ? value : identity;
12  }
13  
14  module.exports = castFunction;