diff options
author | 2009-01-01 11:26:34 -0500 | |
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committer | 2009-01-01 11:26:34 -0500 | |
commit | 1b475375ced4a2482cc90262e32ed42397025cc6 (patch) | |
tree | ad81dc4410270cae7348e7902dfaa459f763eae0 | |
parent | 783f041bd07a2a7fb308c1c7d474d8997ff5ab12 (diff) |
Basic datatype reactives
-rw-r--r-- | src/jscomp.sml | 17 | ||||
-rw-r--r-- | tests/stypes.ur | 33 |
2 files changed, 49 insertions, 1 deletions
diff --git a/src/jscomp.sml b/src/jscomp.sml index 5e7a2673..72d5cde5 100644 --- a/src/jscomp.sml +++ b/src/jscomp.sml @@ -182,7 +182,22 @@ fun jsExp mode skip outer = str ":", succ, str ")"] - | PCon _ => raise Fail "PCon" + | PCon (_, pc, NONE) => + strcat [str ("(d" ^ Int.toString depth ^ "=="), + patCon pc, + str "?", + succ, + str ":", + fail, + str ")"] + | PCon (_, pc, SOME p) => + strcat [str ("(d" ^ Int.toString depth ^ ".n=="), + patCon pc, + str ("?(d" ^ Int.toString depth ^ "=d" ^ Int.toString depth ^ ".v,"), + succ, + str "):", + fail, + str ")"] | PRecord xps => let val (_, succ) = foldl diff --git a/tests/stypes.ur b/tests/stypes.ur index c752234c..6c590843 100644 --- a/tests/stypes.ur +++ b/tests/stypes.ur @@ -1,3 +1,25 @@ +datatype color = Red | White | Blue + +fun c2s c = + case c of + Red => "Red" + | White => "White" + | Blue => "Blue" + +val show_color = mkShow c2s + +datatype list a = Nil | Cons of a * list a + +fun isNil (t ::: Type) (ls : list t) = + case ls of + Nil => True + | _ => False + +fun delist (ls : list string) : xml body [] [] = + case ls of + Nil => <xml>Nil</xml> + | Cons (h, t) => <xml>{[h]} :: {delist t}</xml> + fun main () : transaction page = sInt <- source 0; sFloat <- source 1.23; @@ -6,6 +28,9 @@ fun main () : transaction page = sOpt <- source None; sBool <- source True; + sColor <- source White; + sList <- source Nil; + return <xml><body> <dyn signal={n <- signal sInt; return <xml>{[n + 3]}</xml>}/> <a onclick={set sInt 1}>Change</a><br/> @@ -25,4 +50,12 @@ fun main () : transaction page = <dyn signal={b <- signal sBool; return <xml>{[b]}</xml>}/> <dyn signal={b <- signal sBool; if b then return <xml>Yes</xml> else return <xml>No</xml>}/> <a onclick={set sBool False}>Change</a><br/> + + <dyn signal={c <- signal sColor; return <xml>{[c]}</xml>}/> + <a onclick={set sColor Red}>Red</a> + <a onclick={set sColor White}>White</a> + <a onclick={set sColor Blue}>Blue</a><br/> + + <dyn signal={ls <- signal sList; return <xml>{[isNil ls]}</xml>}/> + <a onclick={set sList (Cons ("A", Cons ("B", Nil)))}>Change</a><br/> </body></xml> |