以åä½ã£ããã®ãgemã«ã¾ã¨ãã¾ãããå®è¡ä¸ã®ãªãã¸ã§ã¯ãã®ã¯ã©ã¹é層ããã¡ã½ããä¸è¦§ãç°¡åã«èª¿ã¹ããã¨ãåºæ¥ã¾ãã require 'rubygems' require 'rubywho' # Hello. 1.who? "string".who? String.who? [1, 2, 3].who? # Method filtering. require 'active_record' ActiveRecord::Base.who?(/sql/) å®è¡çµæ Fixnumã®ã¯ã©ã¹é層 == 1.who? == Fixnum# | abs, div, divmod, even?, fdiv, id2name, modulo, odd?, power!, quo, rdiv | rpower, size, to_f, to_s, to_sym, zero? | %, &, *, **, +,
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