Unit unboxed tuples
ganesh at earth.li
Fri Dec 23 15:37:04 CET 2011
On 23/12/2011 13:46, Ian Lynagh wrote:
> On Fri, Dec 23, 2011 at 01:34:49PM +0000, Simon Peyton-Jones wrote:
>> Arguments Boxed Unboxed
>> 3 ( , , ) (# , , #)
>> 2 ( , ) (# , #)
>> 0 () (# #)
>> Simple, uniform.
> Uniform horizontally, but strange vertically!
It's worth mentioning that if you want to write code that's generic over
tuples in some way, the absence of a case for singletons is actually a
bit annoying - you end up adding something like a One constructor to
paper over the gap. But I can't think of any nice syntax for that case
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