Python DU refinements: provide access to DU case constructors to python code #3558
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I'd like to provide DU case constructors to the python code that interops with code generated by Fable.
This suggested PR seems to do what I want, albeit there is edge case of generic type annotation not being carried in the case constructor of union with generic type argument, it doesn't seem to cause an issue to the python interpreter (and I'm not clear those would be required either).
Short quick test:
Turned by Fable into:
cc: @dbrattli