diff options
Diffstat (limited to 'lib/ur/top.urs')
| -rw-r--r-- | lib/ur/top.urs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/ur/top.urs b/lib/ur/top.urs index 15bc6a22..8273db0c 100644 --- a/lib/ur/top.urs +++ b/lib/ur/top.urs @@ -290,3 +290,10 @@ val postFields : postBody -> list (string * string) val max : t ::: Type -> ord t -> t -> t -> t val min : t ::: Type -> ord t -> t -> t -> t + +val assert : t ::: Type + -> bool (* Did we avoid something bad? *) + -> string (* Explanation of the bad thing *) + -> string (* Source location of the bad thing *) + -> t (* Return this value if all went well. *) + -> t |