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shugo/fib.rb

Created April 11, 2012 14:35
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Rubyでもzip_withでfibが書けた
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fib.rb
require "immutable/stream"
include Immutable
fibs = Stream.cons{1}.tail {
Stream.cons{1}.tail {
fibs.zip_with(fibs.tail, &:+)
}
}
p fibs.take(10).to_list
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shugo commented Apr 11, 2012

https://github.com/shugo/immutable を利用

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