Re: [isabelle] formalising abstract machines

There are two examples in ex/Fundefs.thy.


On 30/01/2014 14:53, Buday Gergely wrote:
>>> Would it be better to simply make an infinite recursive call as a last pattern?
>>> | abstract_machine arguments = abstract_machine arguments
>>> letting it not to terminate at all?
>> You would not be able to define this with "fun" and would need to use 
>> "partial_function (option)". However, you should only do this if it is a 
>> genuine case of nontermination and not failed pattern-matching turned 
>> into artificial nontermination.
>> Tobias
> Where can I find documentation on this `partial_function (option)` keyword? I did not find it in the function definition paper -- I have found its definition in an ML file but that was not very helpful.
> - Gergely

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