Mercurial > urweb
view tests/datatype.ur @ 1357:a0f0823a54a0
Allow SQL aggregation over nullable types
author | Adam Chlipala <adam@chlipala.net> |
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date | Tue, 21 Dec 2010 17:01:51 -0500 |
parents | f387d12193ba |
children |
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datatype t = A | B val a = A val b = B datatype foo = C of t val c = C a datatype list = Nil | Cons of {Head : int, Tail : list} val nil = Nil val l1 = Cons {Head = 0, Tail = nil} datatype term = App of term * term | Abs of term -> term