http://www.perlmonks.org?node_id=11100464


in reply to How to serialize and deserialize Dios/Object::InsideOut objects?

The following appears to work correctly!

#!/usr/bin/env perl use Data::Dx; use Dios { accessors => 'unified' }; use Storable; use Test::Expr; #use strict; # made redundant by use 5.014_00 #use warnings; # made redundant by use 5.014_00 <== +======= INCORRECT see post below! use 5.014_00; class Nada { has Int $.number is rw; }; class Yada { has Int $.number is rw; has Nada @.nadas is rw; }; # class Yada: sub test_our_yada { my $self=shift; ok $self->isa('Yada'); ok $self->number() == 0; ok @{$self->nadas()} == 2; Dx $self->nadas(); ok $self->nadas()->[0]->number() == 1; ok $self->nadas()->[1]->number() == 2; } { # The "initial" Yada my $yada=Yada->new(number=>0,nadas=>[Nada->new(number=>1),Nada->ne +w(number=>2)]); $yada->main::test_our_yada(); # Serialize $yada and write it to 'Yada.dat' my $dump=$yada->dump(); # NB: Without an argument! store($dump,'Yada.dat'); } { # The restored from 'Yada.dat' Yada object my $dump=retrieve('Yada.dat'); my $yada=Object::InsideOut->pump($dump); $yada->main::test_our_yada(); } done_testing;

Which yields

ok 1 - $self->isa('Yada') ok 2 - $self->number() == 0 ok 3 - @{$self->nadas()} == 2 #line 25 test_03.t $self->nadas() = [ bless(do{\(my $o = 1)}, "Nada"), bless(do{\(my $o = 2)}, "Nada"), ] ok 4 - $self->nadas()->[0]->number() == 1 ok 5 - $self->nadas()->[1]->number() == 2 ok 6 - $self->isa('Yada') ok 7 - $self->number() == 0 ok 8 - @{$self->nadas()} == 2 #line 25 test_03.t $self->nadas() = [ bless(do{\(my $o = 1)}, "Nada"), bless(do{\(my $o = 2)}, "Nada"), ] ok 9 - $self->nadas()->[0]->number() == 1 ok 10 - $self->nadas()->[1]->number() == 2 1..10

Somewhat simpler is

#!/usr/bin/env perl use Data::Dx; use Dios { accessors => 'unified' }; use Storable; use Test::Expr; use 5.014_00; BEGIN { # Must go before the classes are declared! $Nada::storable=1; $Yada::storable=1; } class Nada { has Int $.number is rw; }; class Yada { has Int $.number is rw; has Nada @.nadas is rw; }; # class Yada: # Yeah, I'm lazy sub Yada::test_our_yada { my $self=shift; ok $self->isa('Yada'); ok $self->number() == 0; ok @{$self->nadas()} == 2; Dx $self->nadas(); ok $self->nadas()->[0]->number() == 1; ok $self->nadas()->[1]->number() == 2; } { # The "initial" Yada my $yada=Yada->new(number=>0,nadas=>[Nada->new(number=>1),Nada->ne +w(number=>2)]); $yada->test_our_yada(); # Serialize and write to 'Yada.dat' $yada->store('Yada.dat'); } { # Yada as restored from 'Yada.dat' my $yada=retrieve('Yada.dat'); $yada->test_our_yada(); } done_testing;

Yabba Dabba Doo!