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Re: Why does Perl have typeglobs?

by hardburn (Abbot)
on Jul 08, 2014 at 15:33 UTC ( #1092778=note: print w/replies, xml ) Need Help??

in reply to Why does Perl have typeglobs?

A long time ago, it was a way to carry around filehandles. Perl 5.8 (I think) allowed lexicals to hold filehandles, so this use died out.

Most useful thing I've found is to make a list of simple accessors in a class:

{ my @ACCESSORS = qw{ foo bar baz }; for my $slot (@ACCESSORS) { no strict 'refs'; *$slot = sub { my ($self) = @_; $self->{$slot}; }; } }

But even this has tended to go away with meta-object systems like Moose (which do similar things under the hood).

"There is no shame in being self-taught, only in not trying to learn in the first place." -- Atrus, Myst: The Book of D'ni.

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