Wolfgang, Thank you for reporting. Mario is fixing it.
On a related note, for Drools 5, for backward compatibility, we still allowed bindings in the middle of expressions. We were discussing if this should be disallowed from Drools 6 forward? Things like: Person( $name : name == "Bob" || $alive : isAlive && ($age : age > 40 ) ) Things get quite complicated and a bit hard to read as expressions get more complex. It also clashes with the ternary operator ?:. Any thoughts on retaining support for this kind of syntax or removing it? Edson On Mon, Feb 18, 2013 at 7:45 AM, Wolfgang Laun <wolfgang.l...@gmail.com>wrote: > Below is a self-contained DRL which should not compile because the sum > isn't a boolean expression. (Note that omitting "$x:" results in the > correct diagnostic "predicate ... must be a boolean".) > > declare Foo > a: double > b: double > end > > rule what > when > $c: Foo( $x: a + b ) > then > System.out.println( "foo: " + $c ); > end > _______________________________________________ > rules-dev mailing list > rules-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-dev > -- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com
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