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|A Tinderbox Reference File : Actions & Rules : Operators : Action Operator Types : Set maths operators||aTbRef Site Map|
Set maths operators
A range of operators to help use sets.
Unlike their same-named Export codes, these operators cannot use Group objects as the target of the operator. Instead they must explicitly target a named set attribute. Thus,
count(child) is not valid - it would be necessary first to make a set of the target's children and then count that set. However,
count($MySet) would work.
So, if a set attribute doesn't exist, use collect/collect_if to dynamically build a set.
The new operators are:
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