Re: exists $foo[7] and delete $foo[7]

[Larry Wall <larry@wall.org>]

Nick Ing-Simmons writes:
: While you are in the mood - the other exists() target that has
: been suggested since 5.001m or so is exists(&Foo) to tell if there
: really is anything there as opposed defined(&Foo) is true if only 
: a stub has been seen.

Other way around.  It exists if there's a stub, but is defined if the
stub has been assigned a body.  Conveniently, that is consistent with
the current definition of defined(&foo), which returns false on a mere
stub.

Larry

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Follow-Ups from:

Spider Boardman <spider-perl@Orb.Nashua.NH.US>

References to:

Nick Ing-Simmons <nick@ing-simmons.net>

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