Mercurial > urweb
view tests/div.ur @ 1893:9a1097954188
compileC: Link libraries in the right order
This is needed, at least on recent Ubuntu, to fix this linker error
when compiling any Ur/Web application:
ld: /tmp/webapp.o: undefined reference to symbol 'uw_write'
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
src/compiler.sml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
author | Anders Kaseorg <andersk@mit.edu> |
---|---|
date | Thu, 21 Nov 2013 14:32:11 -0500 |
parents | 15e0c935c91b |
children |
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functor Make(M : sig type t val read_t : read t val show_t : show t val num_t : num t end) = struct fun calculate (n1, n2) = return <xml><body> {[readError n1 / readError n2 : M.t]}<br/> {[readError n1 % readError n2 : M.t]}<br/> </body></xml> fun main () = s1 <- source ""; s2 <- source ""; s3 <- source ""; s4 <- source ""; return <xml><body> <h1>Client-side</h1> <ctextbox source={s1}/> / <ctextbox source={s2}/> <button value="=" onclick={n1 <- get s1; n2 <- get s2; set s3 (show (readError n1 / readError n2 : M.t)); set s4 (show (readError n1 % readError n2 : M.t))}/> <dyn signal={n <- signal s3; return (txt n)}/>, <dyn signal={n <- signal s4; return (txt n)}/> <h1>Server-side</h1> <form> <textbox{#1}/> / <textbox{#2}/> <submit value="=" action={calculate}/> </form> </body></xml> end structure Int = Make(struct type t = int end) structure Float = Make(struct type t = float end) fun main () : transaction page = return <xml><body> <li><a link={Int.main ()}>Int</a></li> <li><a link={Float.main ()}>Float</a></li> </body></xml>