Matching the of() static factories, how about ImmutablePair.ofNull()

On 11 May 2017 at 00:03, Gary Gregory <garydgreg...@gmail.com> wrote:

> On Wed, May 10, 2017 at 9:27 PM, Matt Sicker <boa...@gmail.com> wrote:
>
> > Wouldn't it make sense to expose typed methods like in
> > Collections.emptyList() et al.?
> >
>
> So in this case:
>
> ImmutablePair.nullPair()
>
> Gary
>
> >
> > On 10 May 2017 at 22:10, Javen O'Neal <one...@apache.org> wrote:
> >
> > > +1
> > >
> > > The of method should check if all elements are null, and if so to
> return
> > > the NULL singleton. This would reduce the number of objects created and
> > > garbage collected.
> > >
> > > So long as ImmutablePair and ImmutableTriple classes are final (not
> > > subclassable), then identity checking could be used in place of
> equality
> > > checking when comparing against a null tuple. This would be marginally
> > > faster.
> > >
> > > Any preference of being explicit (redundant) here?
> > > ImmutablePair.NULL_PAIR and ImmutableTriple.NULL_TRIPLE
> > >
> > > On May 10, 2017 7:35 PM, "Gary Gregory" <garydgreg...@gmail.com>
> wrote:
> > >
> > > Hi All,
> > >
> > > Any thoughts for or against adding the following to ImmutablePair:
> > >
> > >
> > >     /**
> > >      * An immutable pair of nulls.
> > >      */
> > >     // This is not defined with generics to avoid warnings in call
> sites.
> > >     @SuppressWarnings("rawtypes")
> > >     public static final ImmutablePair NULL = ImmutablePair.of(null,
> > null);
> > >
> > > Same for ImmutableTriple.
> > >
> > > ?
> > >
> > > Thank you,
> > > Gary
> > >
> > > --
> > > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
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> > --
> > Matt Sicker <boa...@gmail.com>
> >
>
>
>
> --
> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> Java Persistence with Hibernate, Second Edition
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> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&
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>
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> <https://www.amazon.com/gp/product/1935182021/ref=as_li_
> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&
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-- 
Matt Sicker <boa...@gmail.com>

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