==Pending Features==
The features of XQuery 3.1 is are still subject to change, but we are planning to add the following features and functions soonenhancements in near future:
* Arrow operator (<code>=></code>): applies a function to an item, using the item as the first argument to the function. The expression <code>$i=>$f()</code> is equivalent to <code>$f($i)</code>, and <code>$i=>$f($j)</code> is equivalent to <code>$f($i, $j)</code>.