Re: RFC: Comparable interface

On Thu, 30 Sep 2010, Johannes Schlüter wrote: > On Thu, 2010-09-30 at 21:33 +0800, Adam Harvey wrote: > > All, > > > > I've just written an RFC (with a patch against trunk) to implement a > > Comparable interface similar to that in Java — in effect, allowing > > object instances to be compared with semantics defined in userspace. > > This is admittedly at the lower end of RFC-worthy proposals, but it's > > a good system, and I'd like to see it used a little more. Plus, it's > > good practice for the more interesting stuff to come. :) > > What is this "more interesting stuff to come"? - currently it is a bit > syntactic sugar, one might argue a feature which makes reading code > harder(*), and we are careful with adding such. > > > (*) Right now it is quite clear what happens if you read > $a == $b > there are a few edge cases (0 == "100000 mails ina thread") but overall > quite clear. With your patch "anything" might happen, which is hard to > detect as we don't enforce strong typing, which would give a hint. It sounds a little bit like operator over loading to me... cheers, Derick -- http://derickrethans.nl | http://xdebug.org Like Xdebug? Consider a donation: http://xdebug.org/donate.php twitter: @derickr and @xdebug