Mercurial > urweb
annotate demo/more/dlist.urs @ 962:7e7edfb6fe82
Testing Dlist StartPosition with constant offset
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sat, 19 Sep 2009 13:44:12 -0400 |
parents | 2a50da66ffd8 |
children | 6f9d1565de56 |
rev | line source |
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adamc@915 | 1 con dlist :: Type -> Type |
adamc@915 | 2 type position |
adamc@915 | 3 |
adamc@951 | 4 val create : t ::: Type -> transaction (dlist t) |
adamc@915 | 5 val clear : t ::: Type -> dlist t -> transaction unit |
adamc@915 | 6 val append : t ::: Type -> dlist t -> t -> transaction position |
adamc@954 | 7 val replace : t ::: Type -> dlist t -> list t -> transaction unit |
adamc@954 | 8 |
adamc@915 | 9 val delete : position -> transaction unit |
adamc@915 | 10 val elements : t ::: Type -> dlist t -> signal (list t) |
adamc@937 | 11 val foldl : t ::: Type -> acc ::: Type -> (t -> acc -> signal acc) -> acc -> dlist t -> signal acc |
adamc@915 | 12 |
adamc@915 | 13 val render : ctx ::: {Unit} -> [ctx ~ body] => t ::: Type |
adamc@915 | 14 -> (t -> position -> xml (ctx ++ body) [] []) |
adamc@962 | 15 -> {StartPosition : signal (option int), |
adamc@962 | 16 Filter : t -> signal bool, |
adamc@952 | 17 Sort : signal (option (t -> t -> signal bool)) (* <= *)} |
adamc@915 | 18 -> dlist t |
adamc@915 | 19 -> xml (ctx ++ body) [] [] |