ilm...@ilmari.org (Dagfinn Ilmari
Mannsåker) writes:

> Kent Fredric <kentfred...@gmail.com>
> writes:
>
>> On 27 March 2015 at 11:23, Diab Jerius <djer...@cfa.harvard.edu> wrote:
>>
>>> I've translated some code using multiple inheritance to Moo, and am
>>> seeing some unexpected  behavior, namely that attributes inherited
>>> from the second parent class are not properly initialized.
> […]
>> Given the code works as expected when you s/Moo/Moose/, both in value
>> initialization, and in explicitly passing arguments to the second-inherited
>> module at construction time, I would agree that you have in fact found a
>> bug in Moo.
>>
>> ( Unless of course Moo has some documentation about explicitly not
>> supporting multiple inheritance )
>
> It doesn't. In fact, https://metacpan.org/pod/Moo#extends says «Multiple
> superclasses can be passed for multiple inheritance but please consider
> using L<roles|Moo::Role> instead», and there's no mention of the
> limitation in https://metacpan.org/pod/Moo#INCOMPATIBILITIES-WITH-MOOSE.
>
> However, fixing it breaks a few tests that assert that it _doesn't_
> work:
>
> The tests were changed to expect the current buggy behaviour in this
> commit:
>
> commit f7813a5f2834a9dc03c7abdc2a9c4be940caa4e0
> Author: Graham Knop <ha...@haarg.org>
> Date:   2014-04-15 00:43:12 -0400
>
>     fix multiple inheritance tests for expected behavior

I've fixed the bug and reverted this commit on the multi-extends-default
branch <https://github.com/moose/Moo/commit/multi-extends-default>.


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