Re: Cyclic Types

1993-02-27 Thread kff
It is not clear to me how we would construct models for cyclic types (then, I'm just starting to learn how to do it for acyclic types :-). That is: What do the domains for these types look like? The reason I'm worrying about this is that when I do abstract interpretation over structured datatypes

Cyclic Types

1993-02-26 Thread Tobias . Nipkow
Lennart Augustsson writes: I thought there were problems with extending Hindley-Milner type systems with cyclic types: The type inference can handle type correct programs, but will loop for certain type incorrect programs, or am I mistaken? It is absolutely unproblematic to extend Hindley