>>413
なんでrubyistに聞かなきゃならんのかわからん。Wikipediaに聞いたらこう教えてくれたよ。

> Method chaining, also known as named parameter idiom, is a common technique for invoking
> multiple method calls in object-oriented programming languages. Each method returns an object
> (possibly the current object itself), allowing the calls to be chained together in a single statement.

possiblyね。