diff options
Diffstat (limited to 'lib/ur/top.urs')
-rw-r--r-- | lib/ur/top.urs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ur/top.urs b/lib/ur/top.urs index d4cd34f4..563f6afd 100644 --- a/lib/ur/top.urs +++ b/lib/ur/top.urs @@ -10,6 +10,8 @@ structure Folder : sig val nil : K --> folder (([]) :: {K}) val cons : K --> r ::: {K} -> nm :: Name -> v :: K -> fn [[nm] ~ r] => folder r -> folder ([nm = v] ++ r) + val concat : K --> r1 ::: {K} -> r2 ::: {K} + -> fn [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2) end |