define([], function() {

  /**
   * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,
   * without support for callback shorthands and `this` binding, which iterates
   * over `collection` using the provided `eachFunc`.
   *
   * @private
   * @param {Array|Object|string} collection The collection to search.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @param {boolean} [retKey] Specify returning the key of the found element
   *  instead of the element itself.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFind(collection, predicate, eachFunc, retKey) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = retKey ? key : value;
        return false;
      }
    });
    return result;
  }

  return baseFind;
});