
30 Jun
2009
30 Jun
'09
6:56 p.m.
On Tue, Jun 30, 2009 at 03:39:39PM -0700, John Meacham wrote:
(+>) seems to imply to me that the operator is non-associative.
It does seem to imply some asymmetry between the arguments.
Something like (<>) or (<+>) would be better.
(<+>) is used in Control.Arrow. (<>) is used in Data.Sequence, but as the mappend for Seq a; it could be stolen and generalized. (So could empty, for that matter.)