#!/usr/pkg/bin/perl
use strict;
use feature qw(declared_refs refaliasing say);

sub print_array {
    my ($args)   = @_;
    my (\@ptr)   = $args -> {-ptr}; 
    my ($string) = $args -> {-string}; 

    print $string,"\n";

    foreach my $i (0..$#ptr){
        print $ptr[$i],"\n";
    }
}
sub main {
    my (@array) =  (qw ( 1 2 3 4 5 ));
    print_array ({
    		-ptr    => \@array,
		-string => ' -- passing array test -- '
    });
}
main();
__END__

SX3@makoto 21:04:49/211027(..git-work/pass-array)% perl pass-array
Declaring references is experimental at pass-array line 8.
Aliasing via reference is experimental at pass-array line 8.
 -- passing array test -- 
1
2
3
4
5

SX3@makoto 21:05:02/211027(..git-work/pass-array)% perl --version

This is perl 5, version 34, subversion 0 (v5.34.0) built for x86_64-netbsd-thread-multi

Copyright 1987-2021, Larry Wall

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl".  If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.