Mercurial > urweb
view tests/case.ur @ 746:2c7244c066f1
sql_ufunc and octet_length
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sun, 26 Apr 2009 12:35:45 -0400 |
parents | 71bafe66dbe1 |
children |
line wrap: on
line source
datatype t = A | B val swap = fn x : t => case x of A => B | B => A datatype u = C of t | D val out = fn x : u => case x of C y => y | D => A datatype nat = O | S of nat val is_two = fn x : nat => case x of S (S O) => A | _ => B val zero_is_two = is_two O val one_is_two = is_two (S O) val two_is_two = is_two (S (S O))