not that I have any serious arguments agaisnt what you're saying but
this sounds very limiting...where is the power then? what are the
chances that you will be able to extend a particular protocol to many
types without needing at least 2-3 arities...it's perfectly fine that an
exception will be thrown if someone calls the wrong arity isn't it?
in addition, how about when extending a protocol to an interface that
defines multiple arities? The concrete classes implementing that
interface and thus your protocol, need to be able to be called with
whichever arity is available. some other interface though may only
defines a single arity but you still want to extend the protocol to -
what do you do then?
this is the first time I'm hearing about this and if you cold expand
that would be great...If one hangs out on the list enough, it doesn't
take much brains to realise that you are very knowledgeable and always
have good insights/suggestions so I'm only trying to learn.
Jim
On 28/02/13 18:05, David Nolen wrote:
On Thu, Feb 28, 2013 at 1:00 PM, Jim - FooBar(); <jimpil1...@gmail.com
<mailto:jimpil1...@gmail.com>> wrote:
On 28/02/13 17:29, David Nolen wrote:
Your run protocol defines three arities, you do not implement
all three.
what's wrong with that? protocols, unlike interfaces let you do
that...
It's not my understanding that protocols are intended to be used in
this way. They only let you do that to support exploratory REPL based
development.
David
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