Mercurial > urweb
annotate tests/case.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 | 71bafe66dbe1 |
children |
rev | line source |
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adamc@170 | 1 datatype t = A | B |
adamc@170 | 2 |
adamc@170 | 3 val swap = fn x : t => case x of A => B | B => A |
adamc@170 | 4 |
adamc@170 | 5 datatype u = C of t | D |
adamc@170 | 6 |
adamc@170 | 7 val out = fn x : u => case x of C y => y | D => A |
adamc@170 | 8 |
adamc@170 | 9 datatype nat = O | S of nat |
adamc@170 | 10 |
adamc@171 | 11 val is_two = fn x : nat => |
adamc@170 | 12 case x of S (S O) => A | _ => B |
adamc@171 | 13 |
adamc@171 | 14 val zero_is_two = is_two O |
adamc@171 | 15 val one_is_two = is_two (S O) |
adamc@171 | 16 val two_is_two = is_two (S (S O)) |