sub get_props {
    my $obj = shift;
    # return just a list of values
    return ( map { $obj->$_ } @_ );
    # return a list of key/value pairs
    return ( map { $_, $obj->$_ } @_ );
    # to return references, just wrap the previous examples
    # into [] or {} as appropriate
}
my @meths = map { "get_value$_" } 1..3; # or whatever your methods are really
print "Values: @{[get_props($obj, @meths)]}\n"; # tweak to fit get_props()

##</code><code>##

package Object;
use Hash::Util::FieldHash;
use overload '%{}' => \&_get_props, fallback => 1;

Hash::Util::FieldHash::fieldhash my %objects;

sub new {
    my $class = shift;
    my $self = bless do { \my($x) }, $class;
    $objects{$self} = {
        prop1 => 'foo',
        prop2 => 'bar',
        blorf => sub {time},
    };
    bless $self, $class;
}

# getters/setters...
sub get_prop1 {
    $objects{shift(@_)}->{prop1};
}
# ... and so on

sub _get_props {
    my $obj = shift;
    $objects{$obj};
    +{
        map {
            $_,
            ref $objects{$obj}->{$_} eq 'CODE'
            ? $objects{$obj}->{$_}->()
            : $objects{$obj}->{$_}
        } keys %{$objects{$obj}}
    }
}
1;
__END__

##</code><code>##

use Object;
my $foo = Object->new;
print "Values: ", join(", ", @$foo{qw(prop1 blorf)}),"\n";
__END__
Values: foo, 1492814598