1  var apply = require('./_apply'),
 2      createCtor = require('./_createCtor'),
 3      createHybrid = require('./_createHybrid'),
 4      createRecurry = require('./_createRecurry'),
 5      getHolder = require('./_getHolder'),
 6      replaceHolders = require('./_replaceHolders'),
 7      root = require('./_root');
 8  
 9  /**
10   * Creates a function that wraps `func` to enable currying.
11   *
12   * @private
13   * @param {Function} func The function to wrap.
14   * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
15   * @param {number} arity The arity of `func`.
16   * @returns {Function} Returns the new wrapped function.
17   */
18  function createCurry(func, bitmask, arity) {
19    var Ctor = createCtor(func);
20  
21    function wrapper() {
22      var length = arguments.length,
23          args = Array(length),
24          index = length,
25          placeholder = getHolder(wrapper);
26  
27      while (index--) {
28        args[index] = arguments[index];
29      }
30      var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
31        ? []
32        : replaceHolders(args, placeholder);
33  
34      length -= holders.length;
35      if (length < arity) {
36        return createRecurry(
37          func, bitmask, createHybrid, wrapper.placeholder, undefined,
38          args, holders, undefined, undefined, arity - length);
39      }
40      var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
41      return apply(fn, this, args);
42    }
43    return wrapper;
44  }
45  
46  module.exports = createCurry;