[Koha-devel] Moose vs Moo

[Jonathan Druart]

Hello all,

Last call, if you have any concerns about the integration of Moo into
Koha, please protest now.

2015-04-17 8:17 GMT+01:00 Frédéric Demians <frederic at tamil.fr>:
> Thanks Paul for raising this.
>
>> I'd like to have more informations. For example:
>>  * arguments in favor of Moo ?
>
> Taking a look at Moo, its main advantages are speed and compatibility with
> Moose.
>
> https://metacpan.org/pod/Moo#MOO-AND-MOOSE
>
>> is the argument "the overhead is cancelled by Plack persistency" valid & is
>> it removing this argument in favor of Moo ?
>
> Don't forget that overall run-time performance of Koha is generally not
> limited by the object system, but by external IO, design decisions etc.,
> AND persistency for a webapp.
>
> For the sitemap command-line script, I've compared execution time
> between Moose/Moo versions, and found:
>
> Moose
> ----------------
> real    0m5.277s
> user    0m5.136s
> sys     0m0.096s
>
> Moo
> ----------------
> real    0m4.705s
> user    0m4.540s
> sys     0m0.096s
>
> Moo is quicker but not that much in this case.
>
>> I'd like to have more details about "too many important features are lost"
>> with Moo ?
>
> Out of my brain, missing Moose features in Moo:
>
> - 'isa' parameter to attributes, and a complete type system.
>
> - Method modifiers, but is seems it's now somehow implemented in Moo.
>
> - Delegation
>
> - MooseX:: An extensive ecosystem of Moose extensions.
>
> - Class::MOP. A Meta Object Protocol. It allows to do classes introspection for
>   example, or classes loading during runtime.
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