ruby-dev

まつもと ゆきひろです

In message "[ruby-dev:8840] Re: [ruby-list:20054] Re: == === case"
    on 00/01/06, "Shigeo Kobayashi" <shigeo@tinyforest.gr.jp> writes:

|「数学的素養」をいったら、私なんぞここに顔を出せなくなります（＾＾；；
|「数学」というより、「coerceは相手を自分と同じ土表に立たせるもの」
|と、私は勝手に思い込んでいます。

私もそうですが。

|従って、 a op b で、a が b に頼む（左から右）のがだめなら、次は
|b が a に頼む（右から左）のが平等で自然だと感じているわけです。
|Rubyインタープリタだけの変更で、現存クラスに影響を与えずに実現
|できるのではと感じています（難易度は度外視）。

現状では a が b を知らないとき b に頼むという形になっていま
すので、a が b に頼んでだめなら、頼んだ時点ですでに a は b 
についての知識がないことが明らかなのでもう手がないと思います。

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[ruby-dev:8841] Re: [ruby-list:20054] Re: == === case

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