[ruby-core:33567] Re: [Ruby 1.9-Feature#4085][Open] Refinements and nested methods

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Hi,

2010/12/3 Yusuke ENDOH <mame / tsg.ne.jp>:
>>> ... Oops!  阬鴇儌殢 闀艬襛 摷 氂蜲贄槼 阬 魨瞂擩氀槼 鐓敳 鐓澞
>>> would work...  阬凞 儌謏╓摐斀鐓澞>>
>> Currently refine doesn't work without blocks, but do you mean that?
>
> Ah sorry.
>
>  阬檷纍ぉ幭欚
>  阬樉濎憡ぃ囔罍儌
>  阬樉 祠濻鳺簼嚬翵濻鳺簼槴>  阬鍱
>  阬鍱
>  阬檷纍轍艣欚
>  阬鍏檁麧 ぉ幭欚 濿 蘦濎ぉ幭欚
>  阬鍱
>  阬鶅鍡 轍艣欚
>  阬 ˊ摦鏷摐鬲 氂謥蜑槼迂租
I forgot to support it.  Please apply the attached patch.  I have also
added Kernel#refine.

>> I think it's hard to add new keywords by a gem.  阬暡╓摵搿儌鍷>> keywords?  阬 貗樉殣 鐐 鐓錼╜濿蠈縃鍷 鐐 鐓翴鐓檷 蠈縃鍷 玃鐓瀦>> blocks suggested by you.
>
> I first said in [ruby-core:33375]:
>
>> However, we should discuss this topic (new keyword) towards
>> 2.0.  阬檷纍憪翴鐓檷摥闀皸銢 摷 謯覶 檴 蠈緶樍鏻瀁
>> features (such as Module#define_method for `def' keyword).
>
> Needless to say, we must not add any new keywords to 1.9.x, especially
> normal simple word like "refine."  阬抑 瀇 鐐 濎蜵籔鐓澞 緪敳蘪濎
> 1.9.x, and now I believe that gem is a good idea as the first step.
>
> However, I received many negative comments to this approach (gem),
> from nars*, kosak*, ko*, nakad*, shyouhe*.  阬鳺鵴樇 鐐 鐓濎鐓敳
> it is better to import your patch "as is".

I also wouldn't like to see such a language core feature in a gem.

>> Isn't it enough to introduce refinements as an experimental feature,
>> at least in trunk?
>
> I don't like to include a feature called "experimental", not because
> it is not complete yet, but because it becomes "de facto standard."
> It would be good if there are not only "document" but also "mechanism"
> to inform users that the feature is experimental, such as warning or
> a new method like "RubyVM.enable_experimental_features".

As far as I know, the current status of trunk is unstable, and if new
features break backward compatibility, Yugui will create the branch
ruby_1_9, won't you, Yugui?  So, we don't need the above mechanism
until new experimental features are decided to include to 1.9.x.

> Note that this is just my opinion, and that I seem to be in the
> minority ;-)
> I hope that 1.9.x would be stable, but many other committers seem to
> hope to include new feature in 1.9.x aggressively.

I also hope that 1.9.x would be stable, but I'd like to develop
aggressively in trunk.  I don't think the current design and
implementation of refinements are mature, but I can't make them mature
on my own, so I'd like to have help from other committers.

-- 
Shugo Maeda

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