#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;

sub NEXT ($) { $_[0]->() }

sub prime_iterator {
    my $num = 0;
    sub {
        do {
            $num++;
        } until is_prime($num);
        return $num;
    }
}

sub is_prime {
    my $guess = shift;
    for (my $divisor = 2; $divisor * $divisor <= $guess; $divisor++) {
        return unless $guess % $divisor;
    }
    return 1;
}

my $prime = prime_iterator;
my @primes;
push @primes => NEXT $prime for (1 .. shift || 10);
print Dumper \@primes;