## Description
<!--
If your issue is a bugreport, this means describing what you did,
what did you want to happen and what actually did happen.

If your issue is a feature request, describe the feature and why do you
want it.
-->


### Steps to reproduce
<!--
This is only relevant for bug reports, but if you do have one,
please provide a minimal set of steps to reproduce the problem.

Usually this means providing a small and self-contained code using doctest
and specifying compiler flags/tools used if relevant.
-->


### Extra information
<!--
Fill in any extra information that might be important for your issue.

If your issue is a bugreport, definitely fill out at least the following.
-->
* doctest version: **v42.42.42**
* Operating System: **Joe's discount operating system**
* Compiler+version: **Hidden Dragon v1.2.3**