[rules-users] MVEL curly braces position - bug or feature?

[Edson Tirelli]

   Looks like a bug. MVEL does ; injection in order to make ; optional, so
my guess is that it is mistakenly injecting ; after your modify() call and
handling {} as a separate code block.

   Edson

On Fri, Jan 6, 2012 at 11:51 AM, nickS <nsanders at msxi-euro.com> wrote:

> Hi
>
> I've been learning drools ands I saw that there is a Fibonacci example, so
> I
> thought I'd write my own using mvel as the dialect and then compare it to
> the model solution.
>
> However, I couldn't get mine working. It parsed but the behaviour was very
> odd. It kept ignoring the modify block in my recurse rule and consequently
> it went into an infinite loop. I compared it to the 'approved' solution and
> the two were pretty much the same, except that it worked and mine didn't.
>
> After a lot of checking I noticed that I had started my curly brace on a
> new
> line after modify but the example had continued straight after the closing
> brace of the modify.
>
> Works //
>
> modify ( f ){
>        value = 1
>       };
>
> or
>
>  modify ( f ){value = 1 };
>
>
> Doesn't Work //
>
> modify ( f )
> {
>      value = 1
>  };
>
>
> Does anyone know if this is a bug or a feature?
>
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/MVEL-curly-braces-position-bug-or-feature-tp3638341p3638341.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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