Re: [rules-users] MVEL curly braces position - bug or feature?
You can create the same effect using
while(...)
{}
or
do
{} while( ... );
or
for(;;)
{}
You can't do it with switch(){} because that's not accepted at all.
-W
2012/1/6 Edson Tirelli ed.tire...@gmail.com
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 nsand...@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?
--
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http://drools.46999.n3.nabble.com/MVEL-curly-braces-position-bug-or-feature-tp3638341p3638341.html
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Edson Tirelli
JBoss Drools Core Development
JBoss by Red Hat @ www.jboss.com
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[rules-users] MVEL curly braces position - bug or feature?
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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Re: [rules-users] MVEL curly braces position - bug or feature?
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 nsand...@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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rules-users mailing list
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--
Edson Tirelli
JBoss Drools Core Development
JBoss by Red Hat @ www.jboss.com
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