defã‚‚classã‚‚moduleも使ã‚ãªã„rubyメタプãƒã‚°ãƒ©ãƒŸãƒ³ã‚° - sshi.Continualrubyリングã«ã‚‚å‚åŠ ã—ãŸã“ã¨ã§ã‚‚ã‚ã‚‹ã—ã€ä»Šæ—¥ã¯rubyãƒã‚¿ã€‚ 「Pythonã§ã®ãƒ¡ã‚¿ã‚¯ãƒ©ã‚¹ãƒ»ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã€(http://www-06.ibm.com/jp/developerworks/linux/030425/j_l-pymeta.html)ã‚’èªã‚“ã§ã€ãµã¨ã€ŒRubyã§ãƒ¡ã‚¿ã£ã½ã„ã“ã¨ã‚„ã£ãŸã‚‰ã©ã“ã¾ã§å‡ºæ¥ã‚‹ã‹ãªã‚ã€ã¨æ€ã£ãŸã®ã§ã€ã„ã‚ã„ã‚試ã—ã¦ã¿ãŸã€‚çµå±€ã€æ–‡å—列をevalã™ã‚‹ã“ã¨ã‚‚ãªãã€def構文もclass構文もmodule構文も使ã†ã“ã¨ãªãã€å‹•çš„ã«ã‚¯ãƒ©ã‚¹ã‚’生æˆã§ãã‚‹ã¨ã“ã‚ã¾ã§è¡Œãç€ã„ãŸã®ã§ã”紹介。 メタãªã—ã‹ã‘ã®èª¬æ˜Žã¯å¾Œã«ã—ã¦ã€ã¾ãšã¯ã‚µãƒ³ãƒ—ル。ã“ã‚“ãªã‚³ãƒ¼ãƒ‰ãŒæ›¸ã‘るよã†ã«ãªã‚‹ã€‚ #クラス定義 Def_class.call( "Counter",nil, proc {attr_reader :count}, { :initialize=>proc {|count|@count = cou
Radrails
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