OK, here's what I came up with:

package Event;
use Moose;
use Modern::Perl;

my $meta = __PACKAGE__->meta; 

use overload 'eq' => \&compare;

sub compare {
  no strict 'refs';
  my ($event1, $event2) = @_; 
  for my $attr( $meta->get_all_attributes ) { 

    #skip attributes that shouldn't be compared
    next if $attr eq 'post_id' || $attr eq 'status';

    my $type = $attr->type_constraint->name;
    my $attr_name = $attr->name;
    if ($type eq 'Str') {
      return 0 if $event1->$attr_name ne $event2->$attr_name;
    }   
    if ($type eq 'Int') {
      return 0 if $event1->$attr_name != $event2->$attr_name;
    }   
    if ($type eq 'Time::Piece') {
      no warnings 'uninitialized';
      logd('comparing times');
      return 0 if $event1->$attr_name != $event2->$attr_name;
    }   
  }
  return 1;
}

[download]

Used like so:

my $event1 = Event->new({location => 'hell'});
my $event2 = Event->new({location => 'hell'});

if ($event1 eq $event2) {
  say 'equal!';
} else {
  say 'not equal!';
}

[download]

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In reply to Re: Best way to compare two objects? by nysus
in thread Best way to compare two objects? by nysus

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