define(['../internal/createCurry'], function(createCurry) {

  /** Used to compose bitmasks for wrapper metadata. */
  var CURRY_FLAG = 8;

  /**
   * Creates a function that accepts one or more arguments of `func` that when
   * called either invokes `func` returning its result, if all `func` arguments
   * have been provided, or returns a function that accepts one or more of the
   * remaining `func` arguments, and so on. The arity of `func` may be specified
   * if `func.length` is not sufficient.
   *
   * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
   * may be used as a placeholder for provided arguments.
   *
   * **Note:** This method does not set the "length" property of curried functions.
   *
   * @static
   * @memberOf _
   * @category Function
   * @param {Function} func The function to curry.
   * @param {number} [arity=func.length] The arity of `func`.
   * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
   * @returns {Function} Returns the new curried function.
   * @example
   *
   * var abc = function(a, b, c) {
   *   return [a, b, c];
   * };
   *
   * var curried = _.curry(abc);
   *
   * curried(1)(2)(3);
   * // => [1, 2, 3]
   *
   * curried(1, 2)(3);
   * // => [1, 2, 3]
   *
   * curried(1, 2, 3);
   * // => [1, 2, 3]
   *
   * // using placeholders
   * curried(1)(_, 3)(2);
   * // => [1, 2, 3]
   */
  var curry = createCurry(CURRY_FLAG);

  // Assign default placeholders.
  curry.placeholder = {};

  return curry;
});