Almost, but because the object arrives in $_[0] either way, you need to shift it out before testing @_, e.g. ...
sub foo {
    my $self = shift;
    @_ or return $self -> {foo};
    $self ->{foo} = shift;
    $self;
}

[download]

-M

Free your mind

In reply to Re^2: Method Chaining and Accessors by Moron
in thread Method Chaining and Accessors by linenoise

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