groovy-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jochen Theodorou <blackd...@gmx.org>
Subject Re: groovysh and local variables
Date Wed, 24 May 2017 12:36:56 GMT
thanks, I added that to the user list post

On 24.05.2017 11:32, Guillaume Laforge wrote:
> Just found it by looking at the code, of course :-)
>
> *groovy:*000*>* :set interpreterMode true
>
> *groovy:*000*>* def a = 1
>
> *===>* 1
>
> *groovy:*000*>* println a
>
> 1
>
>
> On Wed, May 24, 2017 at 11:27 AM, Guillaume Laforge <glaforge@gmail.com
> <mailto:glaforge@gmail.com>> wrote:
>
>     There's a parameter, I believe, for enabling this behavior already.
>     I just can't remember what it is, but I'm pretty sure there is.
>
>     On Wed, May 24, 2017 at 11:00 AM, Andres Almiray <aalmiray@gmail.com
>     <mailto:aalmiray@gmail.com>> wrote:
>
>         Reusing the binding between invocations would be a way to get
>         around this problem.
>         However we'd need a new command to clear/reset the binding.
>
>         Cheers,
>         Andres
>
>         -------------------------------------------
>         Java Champion; Groovy Enthusiast
>         http://andresalmiray.com
>         http://www.linkedin.com/in/aalmiray
>         <http://www.linkedin.com/in/aalmiray>
>         --
>         What goes up, must come down. Ask any system administrator.
>         There are 10 types of people in the world: Those who understand
>         binary, and those who don't.
>         To understand recursion, we must first understand recursion.
>
>         On Wed, May 24, 2017 at 10:57 AM, Remi Forax <forax@univ-mlv.fr
>         <mailto:forax@univ-mlv.fr>> wrote:
>
>             Hi Jochen,
>             jshell, the equivalent of groovysh for java included in 9,
>             does something like this,
>             it stores the content of all variables declaration as fields
>             into a synthetic class and all statements as method so
>             statement have access to the content of the field.
>
>             But because you have bindings in groovy, it may be simpler ?
>             (i do not know if bindings are typed ?)
>
>             cheers,
>             Rémi
>
>             ----- Mail original -----
>             > De: "Jochen Theodorou" <blackdrag@gmx.org
>             <mailto:blackdrag@gmx.org>>
>             > À: dev@groovy.apache.org <mailto:dev@groovy.apache.org>
>             > Envoyé: Mercredi 24 Mai 2017 09:49:32
>             > Objet: groovysh and local variables
>
>             > Hi,
>             >
>             > a User on the user-list mentioned it is currently not
>             possible to define
>             > a local variable in one evaluation and use it in the next.
>             So for example
>             >
>             > > def x = 10
>             >
>             > > println x
>             >
>             > this fails because the eval for println x has no knowledge
>             about x=10.
>             >
>             > Is this correct, did we have any plans to change this? I
>             mean I know why
>             > it behaves like that and as a script you would get the
>             same. But in the
>             > context of groovysh I really wonder if that makes sense.
>             We could
>             > extract the top level local variables using a transform
>             and make them
>             > and their values available to the next evaluation
>             >
>             > bye Jochen
>
>
>
>
>
>     --
>     Guillaume Laforge
>     Apache Groovy committer & PMC Vice-President
>     Developer Advocate @ Google Cloud Platform
>
>     Blog: http://glaforge.appspot.com/ <http://glaforge.appspot.com/>
>     Social: @glaforge <http://twitter.com/glaforge> / Google+
>     <https://plus.google.com/u/0/114130972232398734985/posts>
>
>
>
>
> --
> 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>

Mime
View raw message