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From Guillaume Laforge <glafo...@gmail.com>
Subject Re: Syntax question using (identifier 1, identifier 2) on LHS of =
Date Fri, 27 Jan 2017 19:13:03 GMT
I wouldn't use the def:

(String string1, String string2) = "part1-part2".tokenize("-")

(the def is redundant there)

On Fri, Jan 27, 2017 at 7:55 PM, Dinko Srko─Ź <dinko.srkoc@gmail.com> wrote:

> On 27 January 2017 at 19:15, Les Hartzman <lhartzman@gmail.com> wrote:
> > Hi,
> >
> > I just saw a reference to using the above syntax, specifically as
> follows:
> >
> >    def (string1, string2) = "part1-part2".tokenize("-")
> >
> > This assigns string1 "part1" and string2 "part2".
> >
> > So my main question is what is this referred to as?
>
> It's called multiple assignment.
>
> >
> > You can't do:
> >
> >    String (string1, string2) =  "part1-part2".tokenize("-")
>
> Well, you couldn't. What if types were different?
>
> But you could do it like this:
>
>   def (String string1, String string2) = "part1-part2".tokenize("-")
>
> More on multiple assignments here:
> http://groovy-lang.org/semantics.html#_multiple_assignment
>
> Cheers,
> Dinko
>
> >
> > I did find out that you can do:
> >
> >    String string1
> >    String string2
> >    (string1, string2) =  "part1-part2".tokenize("-")
> >
> > Thanks.
> >
> > Les
> >
>



-- 
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>

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