Mercurial > urweb
changeset 2151:4cd36865e0b5
assert function to use with location literal _LOC_
| author | Gabriel Riba Faura <griba2001@gmail.com> |
|---|---|
| date | Wed, 03 Jun 2015 15:07:46 +0200 |
| parents | 763ccca119bc |
| children | 2d9e40e726f2 |
| files | lib/ur/top.ur |
| diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/lib/ur/top.ur Wed Jun 03 08:34:23 2015 +0200 +++ b/lib/ur/top.ur Wed Jun 03 15:07:46 2015 +0200 @@ -410,3 +410,6 @@ if x > y then x else y fun min [t] ( _ : ord t) (x : t) (y : t) : t = if x < y then x else y + +fun assert [a] (cond: bool) (msg: string) (loc: string) (x:a): a = + if cond then x else error <xml>{[msg]} at {[loc]}</xml>