12 May
2009
12 May
'09
9:05 p.m.
On Tue, 2009-05-12 at 14:09 +0100, Philippa Cowderoy wrote:
On Mon, 2009-05-11 at 20:43 -0400, Anton van Straaten wrote:
Serious question: what is the significance of the question mark and double question marks in those signatures, or better yet, where can I read about it?
I've forgotten where to find the details (try the GHC manual if you haven't already?), but IIRC they're part of how GHC handles boxing.