file: job.t package: muf status: alpha
getNextKey? function takes an object and
a key, and returns the next public key on the object (else
nil) on top of a flag recording whether a nest key was
makeIndex --> o Stack: 1 --> o.a 1 --> o.ba 1 --> o.bb 1 --> o.c Stack: o "ba" getNextKey? Stack: t "bb" pop pop o "c" getNextKey? Stack: nil nil
Note: it is usually more convenient to use higher-level operators built on top of this one. See section for.
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