#! /usr/bin/perl -l
use strict;
use warnings;

use List::MoreUtils qw(natatime);

sub unzip(&$@)
{
    my $c = shift;
    my $n = shift;
    my $it = natatime $n, @_;
    my @rc;
    while (my @vals = $it->())
    {
        push @rc, $c->(@vals)
    }
    @rc;
}

use Data::Dumper;
my %h = qw(k1 v1 k2 v2);

print Dumper [ unzip {[$_[0],$_[1]]} 2, @{[%h]} ];

##</code><code>##

#! /usr/bin/perl -l
use strict;
use warnings;

use List::MoreUtils qw(natatime);

sub unzip(&$@)
{
    my $c = shift;
    my $n = shift;
    my $it = natatime $n, @_;
    my @rc;
    while (my @vals = $it->())
    {
        local $_ = \@vals;
        push @rc, $c->()
    }
    @rc;
}

use Data::Dumper;
my %h = qw(k1 v1 k2 v2);

print Dumper [ unzip {[$_->[0],$_->[1]]} 2, @{[%h]} ];

##</code><code>##

#! /usr/bin/perl -l
use strict;
use warnings;

use List::MoreUtils qw(natatime);

sub unzip
{
    my $c = shift;
    my $n = shift;
    my $it = natatime $n, @_;
    my @rc;
    while (my @vals = $it->())
    {
        local $_ = \@vals;
        push @rc, $c->()
    }
    @rc;
}

use Data::Dumper;
my %h = qw(k1 v1 k2 v2);

print Dumper [ unzip sub {[$_->[0],$_->[1]]}, 2, %h ];