Nothing's definitive at all for Groovy 2.5 or 3.0.
It's up for discussion here on the list :-)

On Wed, Oct 19, 2016 at 2:33 AM, daniel_sun <realblue...@hotmail.com> wrote:

> Thanks :)
> Guillaume, is there a road map to show us the plan of Groovy3? e.g. when
> to release the first beta version and what feature should be included?
>
> Cheers,
> Daniel.Sun
>
>
>
> 在 "Guillaume Laforge [via Groovy]" <ml-node+[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=5736188&i=0>>,2016年10月19日
> 上午7:47写道:
>
> Thanks for the explanations!
> (and great achievement!)
>
> On Wed, Oct 19, 2016 at 1:43 AM, daniel_sun <[hidden email]> wrote:
>
>> To be exact, lambda expression of Groovy enhances the syntax of Java
>> lambda expression,  e.g. lambda expression of Java is not callable.
>>
>> Cheers,
>> Daniel.Sun
>>
>>
>>
>> 在 "Remi Forax [via Groovy]" <ml-node+[hidden email]>,2016年10月19日
>> 上午4:36写道:
>>
>> I would say Groovy Closure with the Java syntax.
>>
>> Rémi
>>
>> On October 18, 2016 8:21:34 PM GMT+02:00, Guillaume Laforge <[hidden
>> email]> wrote:
>>>
>>> Is it actually Groovy closures? or "real" Java lambdas?
>>>
>>> On Tue, Oct 18, 2016 at 7:42 PM, Jochen Theodorou <[hidden email]>
>>> wrote:
>>>
>>>>
>>>> hah, I knew you can do it ;)
>>>>
>>>> On 18.10.2016 18:34, daniel_sun wrote:
>>>>
>>>>> Jochen, lambda expression is fully supported now :)
>>>>>
>>>>> https://github.com/danielsun1106/groovy-parser/commit/
>>>>> c380e4230ecef350855b9f56a220411635a7ff87
>>>>>
>>>>> https://github.com/danielsun1106/groovy-parser/blob/master/src/test/
>>>>> resources/core/Lambda_01x.groovy
>>>>>
>>>>>
>>>>> Cheers,
>>>>> Daniel.Sun
>>>>>
>>>>>
>>>>>
>>>>> 在 "Jochen Theodorou [via Groovy]" <ml-node+[hidden email]
>>>>> </user/SendEmail.jtp?type=node&node=5736176&i=0>>,2016年10月18日 00:37
>>>>>
>>>>> 写道:
>>>>>
>>>>>
>>>>>
>>>>>     On 17.10.2016 17:40, daniel_sun wrote:
>>>>>      > Hi all,
>>>>>      >
>>>>>      >        Lambda expression for Groovy has been completed with a
>>>>> little
>>>>>      > limitation, which is due to the existing closure whose parameter
>>>>>     list can be
>>>>>      > ambiguous to lambda expression, e.g. {a -> a} which can be
>>>>> parsed
>>>>>     as a
>>>>>      > lambda expression in a block, but we expect it a closure.
>>>>>
>>>>>     I think that limitation is ok
>>>>>
>>>>>      > In order to
>>>>>      > resolve the ambiguities, the parentheses for parameters is a
>>>>>     must, e.g.
>>>>>      > *Java8* allows parentheses-less parameter for lambda when the
>>>>>     parameter is
>>>>>      > single and without type: e -> e, but *Groovy* only allows
>>>>>     parameter with
>>>>>      > parentheses: (e) -> e.
>>>>>      >
>>>>>      >        *Here are some examples for lambda expression for
>>>>> Groovy:*
>>>>>      > assert 9 == [1, 2, 3].stream().map((e) -> e + 1).reduce(0, (r,
>>>>> e)
>>>>>     -> r + e)
>>>>>
>>>>>     which means you cannot write
>>>>>      > assert 9 == [1, 2, 3].stream().map(e -> e + 1).reduce(0, (r, e)
>>>>>     -> r + e)
>>>>>
>>>>>     which I find not so ok. Here again it would be no problem if it is
>>>>>     recognized as Closure if that is more easy to accomplish.
>>>>>
>>>>>     bye Jochen
>>>>>
>>>>>
>>>>>     ------------------------------------------------------------
>>>>> ------------
>>>>>     If you reply to this email, your message will be added to the
>>>>>     discussion below:
>>>>>     http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-
>>>>> tp5736169p5736171.html
>>>>>
>>>>>     To unsubscribe from Lambda expression for Groovy 3, click here.
>>>>>     NAML
>>>>>     <http://groovy.329449.n5.nabble.com/template/
>>>>> NamlServlet.jtp?macro=macro_viewer&id=instant_html%
>>>>> 21nabble%3Aemail.naml&base=nabble.naml.namespaces.
>>>>> BasicNamespace-nabble.view.web.template.NabbleNamespace-
>>>>> nabble.view.web.template.NodeNamespace&breadcrumbs=
>>>>> notify_subscribers%21nabble%3Aemail.naml-instant_emails%
>>>>> 21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------
>>>>> View this message in context: Re: Lambda expression for Groovy 3
>>>>> <http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-
>>>>> tp5736169p5736176.html>
>>>>> Sent from the Groovy Dev mailing list archive
>>>>> <http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html> at
>>>>> Nabble.com.
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Guillaume Laforge
>>> Apache Groovy committer & PMC Vice-President
>>> Developer Advocate @ Google Cloud Platform
>>>
>>> Blog: http://glaforge.appspot.com/
>>> Social: @glaforge <http://twitter.com/glaforge> / Google+
>>> <https://plus.google.com/u/0/114130972232398734985/posts>
>>>
>>
>> --
>> Sent from my Android device with K-9 Mail. Please excuse my brevity.
>>
>> ------------------------------
>> If you reply to this email, your message will be added to the discussion
>> below:
>> http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-
>> tp5736169p5736179.html
>> To unsubscribe from Lambda expression for Groovy 3, click here.
>> NAML
>> <http://groovy.329449.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>>
>>
>> ------------------------------
>> View this message in context: Re: Lambda expression for Groovy 3
>> <http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-tp5736169p5736184.html>
>> Sent from the Groovy Dev mailing list archive
>> <http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html> at
>> Nabble.com.
>>
>
>
>
> --
> Guillaume Laforge
> Apache Groovy committer & PMC Vice-President
> Developer Advocate @ Google Cloud Platform
>
> Blog: http://glaforge.appspot.com/
> Social: @glaforge <http://twitter.com/glaforge> / Google+
> <https://plus.google.com/u/0/114130972232398734985/posts>
>
>
> ------------------------------
> If you reply to this email, your message will be added to the discussion
> below:
> http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-
> tp5736169p5736185.html
> To unsubscribe from Lambda expression for Groovy 3, click here.
> NAML
> <http://groovy.329449.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>
>
> ------------------------------
> View this message in context: Re: Lambda expression for Groovy 3
> <http://groovy.329449.n5.nabble.com/Lambda-expression-for-Groovy-3-tp5736169p5736188.html>
> Sent from the Groovy Dev mailing list archive
> <http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html> at
> Nabble.com.
>



-- 
Guillaume Laforge
Apache Groovy committer & PMC Vice-President
Developer Advocate @ Google Cloud Platform

Blog: http://glaforge.appspot.com/
Social: @glaforge <http://twitter.com/glaforge> / Google+
<https://plus.google.com/u/0/114130972232398734985/posts>

Reply via email to