Forum: CFEngine Help
Subject: Re: False report of "no constrants" in constrained classes promises.
Author: sauer
Link to topic: https://cfengine.com/forum/read.php?3,27501,27526#msg-27526
There's no action for a classes promise with nothing in the body but an
"ifvarclass" because of the way ifvarclass is evaluated. A classes promise
sets the class if the action in the body is true - but there is no action to
observe. You've asked Schrodinger's cat to decide whether or not the class
should be set. :)
Mark's "or" suggestion is probably more efficient in this case, but if you must
use "ifvarclass" for whatever reason (I can think of a couple), you can stick
an or => { "any" } in there so that there's an action; a "thing to do".
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