view tests/cfold_disj.ur @ 1175:79f487f51d9f

Monad.foldMapR
author Adam Chlipala <adamc@hcoop.net>
date Tue, 02 Mar 2010 10:33:49 -0500
parents 71bafe66dbe1
children
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con id = fold (fn nm => fn t :: Type => fn acc => [nm] ~ acc => [nm = t] ++ acc) []

con idT = id [D = int, E = float]

val idV = fn x : $idT => x.E