function createPartial(flag) {
	      var partialFunc = restParam(function(func, partials) {
	        var holders = replaceHolders(partials, partialFunc.placeholder);
	        return createWrapper(func, flag, undefined, partials, holders);
	      });
	      return partialFunc;
	    }
Creates a `_.partial` or `_.partialRight` function.

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