[isabelle-dev] Type arguments in datatype declarations
florian.haftmann at informatik.tu-muenchen.de
Mon Sep 27 15:03:17 CEST 2010
> this is a perfectly legal datatype and therefore should be handled by
> the datatype package without prior "consolidation" or whatever, but
> I think this case has just been overlooked when reimplementing the
> definition of the size functions using the new infrastructure for
> datatype interpretations. I'll try to find out what exactly goes wrong.
thanks for this offer. But this misperception has not only infected
size but all datatype tools using the
Datatype_Aux.interpret_construction combinator which assumes exactly the
same restriction. Therefore my proposal to internally provide a
consolidated view of the datatype specifications with type parameter
names made uniform, to handle the issue at one place and not in every
datatype package extension separately.
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