Mercurial > urweb
view demo/list.urs @ 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> |
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date | Mon, 04 Nov 2013 15:14:23 -0500 |
parents | 4d519baf357c |
children |
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datatype list t = Nil | Cons of t * list t val length : t ::: Type -> list t -> int val rev : t ::: Type -> list t -> list t