9 Sep
2008
9 Sep
'08
9:18 p.m.
"Justin Bailey"
are using tail (or could be calling something that uses tail) and use the "trace" function to output logging info.
Another cheap trick is to use CPP with something like: #define head (\xs -> case xs of { (x:_) -> x ; _ -> error("head failed at line"++__FILE__++show __LINE__)}) -k -- If I haven't seen further, it is by standing in the footprints of giants