22 Aug
2008
22 Aug
'08
11:40 a.m.
On Fri, 2008-08-22 at 11:46 +0100, Neil Mitchell wrote:
Hi
The Prelude functions drop, take, and splitAt are unfailing (never call error). This patch changes the Data.List generic versions to behave the same way. At present, they call error on negative arguments.
I had always just assumed that take and genericTake did the same thing, so had never even realised this problem existed. I'd call this a bug, that needs fixing.
I'd like to know the rationale for the difference in the first place, or hear from one of the spec authors that it was just an oversight. Duncan