Does this imply that Pair() will be deprecated now that tuples are
efficient? (Trying to figure out whether to stick with Pair for graph edges
or whether to go back to a custom Edge type.)
On Tuesday, April 21, 2015 at 1:44:34 PM UTC-7, Tim Holy wrote:
>
> Though, it's worth pointing out that one reason to use Pair was that
> tuples
> were not as efficient as one might have hoped. That's no longer a concern,
> thanks to Jeff.
>
> --Tim
>
> On Tuesday, April 21, 2015 01:34:05 PM Seth wrote:
> > Another alternative in 0.4 is to use Pair:
> >
> > julia> z = Pair{Int32,Int32}[]
> > 0-element Array{Pair{Int32,Int32},1}
> >
> > julia> push!(z,Pair(Int32(1),Int32(2)))
> > 1-element Array{Pair{Int32,Int32},1}:
> > 1=>2
> >
> > On Tuesday, April 21, 2015 at 10:22:26 AM UTC-7, Kristoffer Carlsson
> wrote:
> > > In v0.3 you would use (Int32, Int32)[]
> > >
> > > In nightly it is Tuple{Int32, Int32}[]
> > >
> > > On Tuesday, April 21, 2015 at 7:12:01 PM UTC+2, Wai Yip Tung wrote:
> > >> I have a newbie question. I have programming background in Python,
> Java,
> > >> C. In some cases in Julia, like an empty array, I need to explicitly
> > >> specify the type. I am rather confused about the syntax. There a a
> few
> > >> plausible options like parenthesis, braces, colon. I have trouble to
> pick
> > >> the right one. Right now I want to declare a one dimensional array of
> > >> tuple
> > >> of two integers. I tried this and it does not work.
> > >>
> > >> (Tuple{Int32,Int32})[]
> > >>
> > >> I hope you can point me to use the syntax correctly
> > >>
> > >> Thanks,
> > >>
> > >> Wai Yip
>
>
