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Better location calculation for record unification error messages; infer kind arguments to module-projected variables
author Adam Chlipala <adamc@hcoop.net>
date Mon, 05 Oct 2009 16:36:38 -0400
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