stack overflowで話題になっていたんで、Rubyでも実装してみた。
a = Class.new { define_method(:==) {|_| true } }.new
puts a == 1 && a == 2 && a == 3
#=> true
元ネタ
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a == 1 && a == 2 && a == 3がtrueになるRubyスクリプト
Last updated at Posted at 2018-01-17
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