1  var isLaziable = require('./_isLaziable'),
 2      setData = require('./_setData'),
 3      setWrapToString = require('./_setWrapToString');
 4  
 5  /** Used to compose bitmasks for function metadata. */
 6  var WRAP_BIND_FLAG = 1,
 7      WRAP_BIND_KEY_FLAG = 2,
 8      WRAP_CURRY_BOUND_FLAG = 4,
 9      WRAP_CURRY_FLAG = 8,
10      WRAP_PARTIAL_FLAG = 32,
11      WRAP_PARTIAL_RIGHT_FLAG = 64;
12  
13  /**
14   * Creates a function that wraps `func` to continue currying.
15   *
16   * @private
17   * @param {Function} func The function to wrap.
18   * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
19   * @param {Function} wrapFunc The function to create the `func` wrapper.
20   * @param {*} placeholder The placeholder value.
21   * @param {*} [thisArg] The `this` binding of `func`.
22   * @param {Array} [partials] The arguments to prepend to those provided to
23   *  the new function.
24   * @param {Array} [holders] The `partials` placeholder indexes.
25   * @param {Array} [argPos] The argument positions of the new function.
26   * @param {number} [ary] The arity cap of `func`.
27   * @param {number} [arity] The arity of `func`.
28   * @returns {Function} Returns the new wrapped function.
29   */
30  function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
31    var isCurry = bitmask & WRAP_CURRY_FLAG,
32        newHolders = isCurry ? holders : undefined,
33        newHoldersRight = isCurry ? undefined : holders,
34        newPartials = isCurry ? partials : undefined,
35        newPartialsRight = isCurry ? undefined : partials;
36  
37    bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
38    bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
39  
40    if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
41      bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
42    }
43    var newData = [
44      func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
45      newHoldersRight, argPos, ary, arity
46    ];
47  
48    var result = wrapFunc.apply(undefined, newData);
49    if (isLaziable(func)) {
50      setData(result, newData);
51    }
52    result.placeholder = placeholder;
53    return setWrapToString(result, func, bitmask);
54  }
55  
56  module.exports = createRecurry;