Re^2: increasing value every time sub routine called

in reply to Re: increasing value every time sub routine called
in thread increasing value every time sub routine called

No, he doesn't. He isn't asking for multiple instances of counters. A single subroutine with an external variable (or an internal state variable) will do.

sub next_number {no warnings;++$::N}
say next_number;
say next_number;
say next_number;
__END__
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Re^3: increasing value every time sub routine called by dave_the_m (Monsignor) on Dec 09, 2011 at 15:33 UTC
Well in perl land, a single (named) subroutine with a (lexical) external variable is still classed as a closure. Dave.	[reply]
Re^4: increasing value every time sub routine called by JavaFan (Canon) on Dec 09, 2011 at 21:50 UTC
Note that my solution does not use any lexical variables.	[reply]

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