[rules-users] Easy mistake... - drools operator precedence

[Geoffrey De Smet]

Op 18-02-13 15:09, Wolfgang Laun schreef:
> On 18/02/2013, Geoffrey De Smet <ge0ffrey.spam at gmail.com> wrote:
>> I think so too.
>> It looks like the : operator has a higher precedence then + (and
>> therefor >= too), which is a bit surprising indeed.
>> Personally, I never mix the : operator with other operators, to avoid
>> having to worry about the precendence.
> Is it possible to use a non-boolean expression as a constraint?
Strictly speaking, I presume the answer is yes:

     when
         ShiftAssignment(
             $employee : employee, // non-boolean expression
             employee != null,
             ...
         )

But non-strictly speaking, I think we can see that the answer is no :)
>
> -W
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