Mercurial > urweb
annotate tests/datatype.ur @ 416:679b2fbbd4d0
Counter demo
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 23 Oct 2008 11:59:48 -0400 |
parents | f387d12193ba |
children |
rev | line source |
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adamc@156 | 1 datatype t = A | B |
adamc@156 | 2 |
adamc@156 | 3 val a = A |
adamc@156 | 4 val b = B |
adamc@156 | 5 |
adamc@156 | 6 datatype foo = C of t |
adamc@156 | 7 |
adamc@156 | 8 val c = C a |
adamc@156 | 9 |
adamc@156 | 10 datatype list = Nil | Cons of {Head : int, Tail : list} |
adamc@156 | 11 |
adamc@156 | 12 val nil = Nil |
adamc@156 | 13 val l1 = Cons {Head = 0, Tail = nil} |
adamc@312 | 14 |
adamc@312 | 15 datatype term = App of term * term | Abs of term -> term |
adamc@312 | 16 |