How does closures affect performance or memory usage?

closures, performance, memory usage, Perl

This article discusses how closures in Perl affect performance and memory usage, providing insights for developers on optimization.

# Example of using closures in Perl

sub create_counter {
    my $count = 0;
    return sub {
        $count++;
        return $count;
    };
}

my $counter = create_counter();
print $counter->();  # Outputs: 1
print $counter->();  # Outputs: 2
print $counter->();  # Outputs: 3

closures performance memory usage Perl