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authorGravatar Adam Chlipala <adamc@hcoop.net>2009-06-06 14:09:30 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2009-06-06 14:09:30 -0400
commit4d4d6e4aea6565fa167296d16f94f4b768d5414e (patch)
tree1d3da14055d91262a0e36315573406b564790fdc /lib/ur/list.urs
parenta144d74a7fb416108f643daaa3a734e416683737 (diff)
List library additions; fix another substructure unification bug
Diffstat (limited to 'lib/ur/list.urs')
-rw-r--r--lib/ur/list.urs4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/ur/list.urs b/lib/ur/list.urs
index 92589508..1b80a9d3 100644
--- a/lib/ur/list.urs
+++ b/lib/ur/list.urs
@@ -26,3 +26,7 @@ val exists : a ::: Type -> (a -> bool) -> t a -> bool
val foldlMap : a ::: Type -> b ::: Type -> c ::: Type
-> (a -> b -> c * b) -> b -> t a -> t c * b
+
+val assoc : a ::: Type -> b ::: Type -> eq a -> a -> t (a * b) -> option b
+
+val search : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> option b