Ur/Web: lib/ur/mem.urs annotate

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author	Adam Chlipala <adam@chlipala.net>
date	Tue, 10 Aug 2010 14:52:33 -0400
parents	ac3dbbc85c6e
children

rev	line source
adamc@1180	1 con mem :: K --> Name -> K -> {K} -> Type
adamc@1180	2
adamc@1180	3 val mem : K --> nm :: Name -> t :: K -> r :: {K} -> [[nm] ~ r] => mem nm t ([nm = t] ++ r)
adamc@1180	4 val mp : K --> K2 --> f :: (K -> K2) -> nm ::: Name -> t ::: K -> r ::: {K} -> mem nm t r -> mem nm (f t) (map f r)
adamc@1180	5
adamc@1180	6 val proj : nm ::: Name -> t ::: Type -> r ::: {Type} -> mem nm t r -> $r -> t
adamc@1180	7 val replace : nm ::: Name -> t ::: Type -> r ::: {Type} -> mem nm t r -> $r -> t -> $r
adamc@1180	8
adamc@1180	9 val fold : K --> tf :: ({K} -> Type) -> r ::: {K}
adamc@1180	10 -> (nm :: Name -> v :: K -> r' :: {K} -> [[nm] ~ r']
adamc@1180	11 => mem nm v r -> tf r' -> tf ([nm = v] ++ r'))
adamc@1180	12 -> tf []
adamc@1180	13 -> folder r -> tf r

Mercurial > urweb