Using closures. : Closure « Subroutine « Perl

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Perl » Subroutine » Closure

Using closures.

   

#!/usr/bin/perl 

sub errorMsg { 

    my $lvl = shift; 

    

    return sub { 

        my $msg = shift; 

        print "Err Level $lvl:$msg\n";

    };

} 

$severe = errorMsg("Severe"); 

&$severe("Divide by zero");

Related examples in the same category

1.	Closure in action
2.	A closure is an anonymous subroutine

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