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ä¾ãã°ã(1..5)ããã [1,2,3,4,5]ãã«ããã¡ã½ããä½ã ã£ãï¼ã£ã¦ãªã¨ãã install gem install what_methods ~/.irbrc ãã¡ã¤ã«ããªããã°ä½æãã¦ãè¨å®ãæ¸ãã require 'what_methods' terminal 使ç¨ä¾ $ irb > (1..5).what? [1,2,3,4,5] 1..5.to_a == [1, 2, 3, 4, 5] 1..5.entries == [1, 2, 3, 4, 5] 1..5.sort == [1, 2, 3, 4, 5] => [:to_a, :entries, :sort]
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