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author | Adam Chlipala <adamc@hcoop.net> | 2008-08-31 08:32:18 -0400 |
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committer | Adam Chlipala <adamc@hcoop.net> | 2008-08-31 08:32:18 -0400 |
commit | 447b60afccc89ef18d8f92a260dd1fcdf735898e (patch) | |
tree | 93d1ffca9832084286525896afc4c17eaf5d23f4 /tests/case.ur | |
parent | 508290e29047e068b9db4b02485fefd9e3ced81c (diff) |
Laconic -> Ur
Diffstat (limited to 'tests/case.ur')
-rw-r--r-- | tests/case.ur | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/case.ur b/tests/case.ur new file mode 100644 index 00000000..b131b27b --- /dev/null +++ b/tests/case.ur @@ -0,0 +1,16 @@ +datatype t = A | B + +val swap = fn x : t => case x of A => B | B => A + +datatype u = C of t | D + +val out = fn x : u => case x of C y => y | D => A + +datatype nat = O | S of nat + +val is_two = fn x : nat => + case x of S (S O) => A | _ => B + +val zero_is_two = is_two O +val one_is_two = is_two (S O) +val two_is_two = is_two (S (S O)) |