diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2008-09-13 11:13:46 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-09-13 11:13:46 -0400 |
| commit | 14c2a9e4b84d7344b40c7398c8896338939bfcc1 (patch) | |
| tree | d4a6d210fcc14e26dd25bc5e1ac23fc640eee299 | |
| parent | fd2079464d7b65430af09f2734fa55039006a3e3 (diff) | |
foldTRX2
| -rw-r--r-- | lib/basis.urs | 2 | ||||
| -rw-r--r-- | lib/top.ur | 9 | ||||
| -rw-r--r-- | lib/top.urs | 5 | ||||
| -rw-r--r-- | tests/crud.ur | 7 |
4 files changed, 18 insertions, 5 deletions
diff --git a/lib/basis.urs b/lib/basis.urs index e1cb5082..f5bfa740 100644 --- a/lib/basis.urs +++ b/lib/basis.urs @@ -259,6 +259,8 @@ con html = [Html] con head = [Head] con body = [Body] con lform = [Body, LForm] +con tabl = [Body, Table] +con tr = [Body, Tr] val head : unit -> tag [] html head [] [] val title : unit -> tag [] head [] [] [] @@ -17,3 +17,12 @@ fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) [[nm] ~ rest] => fn r1 r2 => f [nm] [t] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm))) (fn _ _ => i) + +fun foldTRX2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (ctx :: {Unit}) + (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest + -> tf1 t -> tf2 t -> xml ctx [] []) = + foldTR2 [tf1] [tf2] [fn _ => xml ctx [] []] + (fn (nm :: Name) (t :: Type) (rest :: {Type}) => + [[nm] ~ rest] => + fn r1 r2 acc => <xml>{f [nm] [t] [rest] r1 r2}{acc}</xml>) + <xml></xml> diff --git a/lib/top.urs b/lib/top.urs index c2d2fc8f..0e211373 100644 --- a/lib/top.urs +++ b/lib/top.urs @@ -14,3 +14,8 @@ val foldTR2 : tf1 :: (Type -> Type) -> tf2 :: (Type -> Type) -> tr :: ({Type} -> -> (nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest -> tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {Type} -> $(mapTT tf1 r) -> $(mapTT tf2 r) -> tr r + +val foldTRX2 : tf1 :: (Type -> Type) -> tf2 :: (Type -> Type) -> ctx :: {Unit} + -> (nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest + -> tf1 t -> tf2 t -> xml ctx [] []) + -> r :: {Type} -> $(mapTT tf1 r) -> $(mapTT tf2 r) -> xml ctx [] [] diff --git a/tests/crud.ur b/tests/crud.ur index 3837061e..95d2d4b9 100644 --- a/tests/crud.ur +++ b/tests/crud.ur @@ -20,15 +20,12 @@ fun list () = {acc} <tr> <td>{txt _ fs.T.Id}</td> - {foldTR2 [idT] [colMeta'] [fn _ => xtr] + {foldTRX2 [idT] [colMeta'] [tr] (fn (nm :: Name) (t :: Type) (rest :: {Type}) => [[nm] ~ rest] => - fn v funcs acc => - <tr> + fn v funcs => <tr> <td>{funcs.Show v}</td> - {acc} </tr>) - <tr></tr> [M.cols] (fs.T -- #Id) M.cols} </tr> </body>) <body></body>; |