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Re^3: use deprecated;

by Aristotle (Chancellor)
on Nov 27, 2003 at 20:18 UTC ( [id://310626]=note: print w/replies, xml ) Need Help??

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in reply to Re^2: use deprecated;
in thread use deprecated;

Actually, you don't even need to check whether the function exists. If you take a reference to a named but undefined function, it magically works once that function is defined. Perl is devious that way.
#!/usr/bin/perl $_ = \&x; *x = sub { print "Oh my\n" }; $_->();
This actually prints "Oh my".

Makeshifts last the longest.

Replies are listed 'Best First'.
Re^4: use deprecated;
by adrianh (Chancellor) on Dec 02, 2003 at 20:21 UTC
    Actually, you don't even need to check whether the function exists. If you take a reference to a named but undefined function, it magically works once that function is defined. Perl is devious that way.

    You're quite correct - I'm an idiot.

    In fact, I'm an idiot on two counts. My AUTOLOAD comment is equally bogus. Since everything is happening at INIT time the AUTOLOAD subroutine will already be defined.

    I restate my "sneaky" comment. Very nice :-)

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