I can't confirm right now but I'm pretty sure I've done
ClassName::methodName in my experiments with FunctionalJava and Java 8.
Doesn't the State of the Lambda cover that too?
On Nov 2, 2012 6:54 PM, "clay" <claytonw...@gmail.com> wrote:
> AFAIK,
>
> You can't do ClassName::instanceMethod()
> You have to do classInstance::instanceMethod()
>
> So, even if getAddressOption() was an instance method, you would have to
> do onePersonInstance::getAddressOption, and the method reference is bound
> to that one instance which wouldn't fit with the example.
>
> On Friday, November 2, 2012 4:33:14 PM UTC-5, Ricky Clarkson wrote:
>>
>> It's rare that you actually expose public fields in Java, so let's
>> assume addressOption and friends are methods, and then the method
>> reference syntax works fine.
>>
>> Also, I said 'with proper support', regarding the returned collection
>> type. :) But sure, adding a .into wouldn't be too bad.
>>
>> On Fri, Nov 2, 2012 at 6:09 PM, clay <clayt...@gmail.com> wrote:
>> > First, you can't use the :: method reference syntax with a variable.
>> >
>> > Secondly, the map and flatMap functions currently exist on the Stream
>> > interface and return a modified Stream. So you have to start with
>> > people.stream() and end with either a Stream instance or call
>> > .into(someCollection) to put them into a collection.
>> >
>> >
>> > On Friday, November 2, 2012 3:29:25 PM UTC-5, Ricky Clarkson wrote:
>> >>
>> >> With proper support it would be:
>> >>
>> >> List<String> zips2 =
>> >> people.flatMap(Person::**addressOption).flatMap(**Address:zipOption);
>> >>
>> >> That might take a stubborn person a couple of minutes to understand
>> >> but after that even the most determined anti-flatmapper will be able
>> >> to curse, rewrite, fire the writer of but ultimately understand code
>> >> like this without any real trouble.
>> >>
>> >> On Fri, Nov 2, 2012 at 5:22 PM, Fabrizio Giudici
>> >> <fabrizio...@tidalwave.it> wrote:
>> >> > On Fri, 02 Nov 2012 21:12:07 +0100, clay <clayt...@gmail.com>
>> wrote:
>> >> >
>> >> >> In hindsight, a simpler solution (with static import of custom
>> >> >> toIterable
>> >> >> method) would be:
>> >> >>
>> >> >> final List<String> zips2 = new ArrayList<String>();
>> >> >> for (Person p : people) { for (Address a :
>> toIterable(p.addressOption))
>> >> >> {
>> >> >> for (String z : toIterable(a.zipOption)) { zips2.add(z); } } }
>> >> >
>> >> >
>> >> > Honestly, I don't find it particularly readable.
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Fabrizio Giudici - Java Architect @ Tidalwave s.a.s.
>> >> > "We make Java work. Everywhere."
>> >> > http://tidalwave.it/fabrizio/**blog<http://tidalwave.it/fabrizio/blog>-
>> fabrizio...@tidalwave.it
>> >> >
>> >> > --
>> >> > You received this message because you are subscribed to the Google
>> >> > Groups
>> >> > "Java Posse" group.
>> >> > To post to this group, send email to java...@googlegroups.com.
>> >> > To unsubscribe from this group, send email to
>> >> > javaposse+...@googlegroups.com**.
>> >> > For more options, visit this group at
>> >> > http://groups.google.com/**group/javaposse?hl=en<http://groups.google.com/group/javaposse?hl=en>.
>>
>> >> >
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> Groups
>> > "Java Posse" group.
>> > To view this discussion on the web visit
>> > https://groups.google.com/d/**msg/javaposse/-/SBpf_wVxh0gJ<https://groups.google.com/d/msg/javaposse/-/SBpf_wVxh0gJ>.
>>
>> >
>> > To post to this group, send email to java...@googlegroups.com.
>> > To unsubscribe from this group, send email to
>> > javaposse+...@**googlegroups.com.
>> > For more options, visit this group at
>> > http://groups.google.com/**group/javaposse?hl=en<http://groups.google.com/group/javaposse?hl=en>.
>>
>>
> --
> You received this message because you are subscribed to the Google Groups
> "Java Posse" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/javaposse/-/mhPVSnOnsIYJ.
> To post to this group, send email to javaposse@googlegroups.com.
> To unsubscribe from this group, send email to
> javaposse+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/javaposse?hl=en.
>
--
You received this message because you are subscribed to the Google Groups "Java
Posse" group.
To post to this group, send email to javaposse@googlegroups.com.
To unsubscribe from this group, send email to
javaposse+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/javaposse?hl=en.
