view tests/equiv.ur @ 1886:b7cd3c7c7edd

Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents 71bafe66dbe1
children
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type t1 = {A : int, B : float}
type t2 = {B : float, A : int}
val e1 : t1 -> t2 = fn x => x