view tests/pcase.ur @ 1405:8631e9ed0ee8

queryXI and queryX1I
author Adam Chlipala <adam@chlipala.net>
date Thu, 20 Jan 2011 12:43:12 -0500
parents 71bafe66dbe1
children
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val flip = fn x : int => case x of 0 => 1 | _ => 0

val zero = flip 1
val one = flip 0

val flipS = fn x : string => case x of "" => "Hello world!" | _ => ""

val s1 = flipS ""
val s2 = flipS "Boop"