So they can notice if they're given a stack that doesn't match what they're expecting. This seems to work, but I realized that type variables in the pending expression need to be update()'d too. hmm... |
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|---|---|---|
| .. | ||
| __init__.py | ||
| brutal_hackery.py | ||
| generated_library.py | ||
| polytypes.py | ||
| pretty_print.py | ||
| stack.py | ||
| types.py | ||