function createCurry(flag) {
	      function curryFunc(func, arity, guard) {
	        if (guard && isIterateeCall(func, arity, guard)) {
	          arity = undefined;
	        }
	        var result = createWrapper(func, flag, undefined, undefined, undefined, undefined, undefined, arity);
	        result.placeholder = curryFunc.placeholder;
	        return result;
	      }
	      return curryFunc;
	    }
Creates a `_.curry` or `_.curryRight` function.

@private
@param {boolean} flag The curry bit flag.
@returns {Function} Returns the new curry function.