file: job.t package: muf status: alpha
get? function takes an object and a key, and
returns the corresponding public value on the object (else
nil) on top of a flag recording whether the key was found:
makeIndex --> o Stack: 1 --> o.a Stack: o "a" get? Stack: t 1 pop pop o "z" get? Stack: nil nil
Note: This function is mostly useful when you care about the
difference between a key which is missing, and one which has
nil as a value.
See section get. See section functions for nonpublic keyvals.
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