How to share class relationship representations?

[Stephan Houben]

Op 2017-09-22, Pavol Lisy schreef <pavol.lisy at gmail.com>:
> On 9/19/17, leam hall <leamhall at gmail.com> wrote:
>> I'm working on designing the classes, sub-classes, and relationships in my
>> code. What is a good visual way to represent it so it can be stored in git
>> and shared on the list without large images or attachments?
>>
>> Thanks!
>>
>> Leam
>
> https://stackoverflow.com/questions/29586520/can-one-get-hierarchical-graphs-from-networkx-with-python-3#29597209

For direct inclusion in source code, what about plain text with 
Unicode box drawing characters?

┏━━━━━━┓
┃object┃
┗━━━┳━━┛
    ┃
 ┏━━┻━━┓
 ┃float┃
 ┗━━━━━┛

Stephan