pace;">Arguments: 1: Name of stack<br>
Returns:&nbsp;&nbsp;&nbsp;Top element from the stack without removing it<br>
</span>
<hr><b>depth</b><br>
<br>
<span style="font-family: monospace;">Arguments: 1: Name of stack<br>
Returns:&nbsp;&nbsp;&nbsp;Number of items on the stack<br>
</span>
<hr style="width: 100%; height: 2px;"><span style="font-family: monospace;"></span>
<h2>Function memoization</h2>
To reduce the number of calls to slow functions (such as $(shell) a single memoization function is provided.<br