Ruby » Ruby master

Bug #7877

Updated by shyouhei (Shyouhei Urabe) almost 12 years ago

=begin 
 So I wanted some real benefit of being lazy.    I wrote a Leibniz formula: なんかLazyの有効な例を出そうと思ってそうだライプニッツ級数だ!ということで 

   def leibniz(n) 
     (0..Float::INFINITY).lazy.with_index {|i, j| (-1 ** j) / (2*i+1).to_f }.take(n).reduce(:+) 
   end 

 But it doesn't work (well, it does, indeed. It just doesn't stop working).    I got frustrated. 
 How about it?    Don't you feel it nifty? とかやっても動かない(いや動くけど。止まらん)。残念です。これあったほうが便利じゃないですかね。どうでしょう。 

 Of course I can wait for the release next to 2.0.0. あ、もちろん2.0.0以降でOKです。 
 =end

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