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Sql.insertIfMissing and deleteByKey (partly from Ron de Bruijn)
author Adam Chlipala <adam@chlipala.net>
date Sun, 11 Dec 2011 14:04:34 -0500
parents a6730c3cfea7
children f55f66c6fdee
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val numFields : r ::: {Type} -> folder r -> $r -> int

val mem : a ::: Type -> ns ::: {Unit} -> eq a -> folder ns -> a -> $(mapU a ns) -> bool
(* Is a value found in a record? *)

val equal : ts ::: {Type} -> $(map eq ts) -> folder ts -> $ts -> $ts -> bool
(* Are two records equal? *)