On Wed, May 4, 2011 at 2:48 PM, Matt Benson <gudnabr...@gmail.com> wrote:
> On Wed, May 4, 2011 at 12:45 PM, Gary Gregory <garydgreg...@gmail.com> > wrote: > > On Wed, May 4, 2011 at 1:04 PM, Stephen Colebourne <scolebou...@joda.org > >wrote: > > > >> On 4 May 2011 17:58, Gary Gregory <garydgreg...@gmail.com> wrote: > >> > I think we still have naming problems with the Pair class reflected in > >> this > >> > Javadoc fragment: > >> > > >> > * @param <L> the first element type > >> > * @param <R> the second element type > >> > > >> > Either we call them L left and R right, or we call them F first and S > >> > second, but mixing both is not good IMO. > >> > > >> > My preference is for K key and V value. > >> > >> Key and value implies a relationship between the two parts of the pair > >> (the key somehow describes the value), which we cannot do > >> (implementing Map.Entry is for convenience, not for any other reason). > >> Either first/second or left/right are valid choices. At OpenGamma we > >> use first/second but are able to change to left/right if this class is > >> released. > >> > > > > I think I like first and second better because we are in a package called > > tuple after all. > > > > When I see left and right, I think of assignments. Why not top and bottom > > too then? Just kidding. > > > > Dee and Dum, ad nauseum... left/right sit nicely with me as I don't > place any real priority of one element over the other, which I think > numeric names denote. I think I like them for their monosyllabicity > as well. That said, http://en.wikipedia.org/wiki/Tuple defines a > tuple's elements as being ordered, thus invalidating half of my > argument. Are there any equivalents to first/second that are nice and > short? > One, Two? G > > Matt > > > > >> > >> > I still do not like Pair as a name because a pair is: two identical, > >> > similar, or corresponding things that are matched for use together: a > >> pair > >> > of gloves; a pair of earrings. > >> > (http://dictionary.reference.com/browse/pair) > >> > > >> > We clearly break this common sense definition. > >> > >> I understand that from an English language POV, but Java devs all over > >> know this as a pair. No other name will do I'm afraid. > >> > > > > I'll let it be then. > > > > Gary > > > >> > >> Stephen > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > >> For additional commands, e-mail: dev-h...@commons.apache.org > >> > >> > > > > > > -- > > Thank you, > > Gary > > > > http://garygregory.wordpress.com/ > > http://garygregory.com/ > > http://people.apache.org/~ggregory/ > > http://twitter.com/GaryGregory > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > -- Thank you, Gary http://garygregory.wordpress.com/ http://garygregory.com/ http://people.apache.org/~ggregory/ http://twitter.com/GaryGregory
