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kachick/compare_array.rb

Created September 25, 2012 14:55
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Array 要素すべてが#==で一致するか調べる
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compare_array.rb
values = [1, 2, 3]
others = [1.0, 2.0, 3.0]
(values.length == others.length) && values.each_with_index.all?{|v, idx|v == others.fetch(idx)}
@kachick
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kachick commented Sep 25, 2012

なるほど、同じArrayの中で、ですか
==による比較では無いのですが、例のようなFixnum等だけが対象だったらuniq活用するのもありかもしれません。

values = 3.times.map {rand(3) + 1}
p values
puts values.uniq.length == 1

@KitaitiMakoto
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こちらの方がすっきりした感じですね！
👍

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