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Subqueries may always return NULL
author Adam Chlipala <adam@chlipala.net>
date Thu, 03 Feb 2011 21:04:12 -0500
parents a1aa62b472cf
children
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fun more n =
    if n <= 0 then
        "!"
    else
        more (n-1) ^ more (n-1)

fun main n =
    debug "Let's give this a try....";
    return <xml>{[more n]}</xml>