14 Apr
2010
14 Apr
'10
4:41 a.m.
On 14 Apr 2010, at 09:39, Ashley Yakeley wrote:
Thomas Davie wrote:
I guess this further reinforces my point though – we have a mixture of places where we consider _|_ when considering laws, and places where we don't consider _|_. This surely needs better defined somewhere.
It's easy: don't consider bottom as a value, and the laws work fine.
If it were this easy, then why is our instance of Functor on tuples gimped? Bob