Re: [MacPerl] pop (keys %hash) ?

["Paul J. Schinder" <schinder@pobox.com>]

On Fri, Jun 18, 1999 at 09:55:32AM -0700, jean-Francois Jobidon wrote:
} @listKeys = (keys %hash);
} $lastkey = pop @listKeys;
} 
} I'd like to know if there is a way to write this code
} on one line. Something like :
} 
} $lastkey = pop (keys %hash);

You can do things like (keys %hash)[-1].  But your more fundamental
problem is that there's no guarantee that the elements in a hash are
in any particular order, so the "last key" has no actual meaning.  If you
want strict order, use an array.

} 
} Perl tells me that the argument must be an array.
} Thanks
} JF Jobidon
} 
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-- 
Paul Schinder
schinder@pobox.com

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