Mercurial > urweb
view tests/coalesce.ur @ 1964:072656016dfa
Add another simple case for record unification between alpha-equivalent constructors
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Wed, 29 Jan 2014 18:19:25 -0500 |
parents | e44be6ece475 |
children |
line wrap: on
line source
table t : { A : option int } fun main () : transaction page = queryX (SELECT COALESCE(t.A, 13) FROM t) (fn r => <xml>{[r.1]},</xml>)