Mercurial > urweb
diff tests/specialize.ur @ 316:04ebfe929a98
Unpolyed a polymorphic function of two arguments
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Thu, 11 Sep 2008 10:14:59 -0400 |
| parents | e21d0dddda09 |
| children | 6a4e365db60c |
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--- a/tests/specialize.ur Thu Sep 11 09:36:47 2008 -0400 +++ b/tests/specialize.ur Thu Sep 11 10:14:59 2008 -0400 @@ -5,7 +5,7 @@ Nil => True | Cons _ => False -(*fun append (t ::: Type) (ls1 : list t) (ls2 : list t) : list t = +fun append (t ::: Type) (ls1 : list t) (ls2 : list t) : list t = case ls1 of Nil => ls2 | Cons (x, ls1') => Cons (x, append ls1' ls2) @@ -13,14 +13,17 @@ fun delist (ls : list string) : xml body [] [] = case ls of Nil => <body>Nil</body> - | Cons (h, t) => <body>{cdata h} :: {delist t}</body>*) + | Cons (h, t) => <body>{cdata h} :: {delist t}</body> val ls = Cons ("X", Cons ("Y", Cons ("Z", Nil))) +val ls' = Cons ("A", Cons ("B", Nil)) fun main () : transaction page = return <html><body> {if isNil ls then <body>It's Nil.</body> else <body>It's not Nil.</body>} + + <p>{delist (append ls' ls)}</p> </body></html> -(* <p>{delist ls}</p>*) +