_createCurry.js
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_createCurry.js
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			var apply = require('./_apply'),
			createCtor = require('./_createCtor'),
			createHybrid = require('./_createHybrid'),
			createRecurry = require('./_createRecurry'),
			getHolder = require('./_getHolder'),
			replaceHolders = require('./_replaceHolders'),
			root = require('./_root');

			/**
			* Creates a function that wraps `func` to enable currying.
			*
			* @private
			* @param {Function} func The function to wrap.
			* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
			* @param {number} arity The arity of `func`.
			* @returns {Function} Returns the new wrapped function.
			*/
			function createCurry(func, bitmask, arity) {
			var Ctor = createCtor(func);

			function wrapper() {
			var length = arguments.length,
			args = Array(length),
			index = length,
			placeholder = getHolder(wrapper);

			while (index--) {
			args[index] = arguments[index];
			}
			var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
			? []
			: replaceHolders(args, placeholder);

			length -= holders.length;
			if (length < arity) {
			return createRecurry(
			func, bitmask, createHybrid, wrapper.placeholder, undefined,
			args, holders, undefined, undefined, arity - length);
			}
			var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
			return apply(fn, this, args);
			}
			return wrapper;
			}

			module.exports = createCurry;