Please copy the following template here and fill in the missing fields so we can help you as soon as possible.
*Short description of missing functionality*:
E.g. I want this library to implement xxx operator.
*Short code example of how you would like to use the API*:
code goes here
*The reason why I need this functionality*:
E.g. I was trying to ....
*Code I have right now*:
code snippet that demonstrates how you've attempted to solve the problem