Making a tiny #forth-like language in #pharo #smalltalk.
Part 2:
https://www.youtube.com/watch?v=EhtBtYcVqo0
0:00:00 purpose (language for graph animation)
0:14:10 primitive commands (push/pop) (make nodes)
0:22:55 executing tokens
0:37:28 rendering bugs
0:49:00 start debugger panel
1:11:30 core of the interpreter
1:24:10 observer pattern
1:30:35 introducing a bug while talking to kids :)
