kkosuge · December 16, 2015 02:18
diff --git a/一回だけ実行する.coffee b/一回だけ実行する.coffee
 class Neko
  nyan: =>
    @_nyan || do =>
      alert 'nyan'
      @_nyan = true
      

 neko = new Neko
 neko.nyan() #=> alert 'nyan' & true
 neko.nyan() #=> true
 neko.nyan() #=> true
 neko.nyan() #=> true


 class Neko
  nyanOnce: =>
    alert 'nyan'
    @nyanOnce = ->
	class Neko
	nyan: =>
	@_nyan \|\| do =>
	alert 'nyan'
	@_nyan = true


	neko = new Neko
	neko.nyan() #=> alert 'nyan' & true
	neko.nyan() #=> true
	neko.nyan() #=> true
	neko.nyan() #=> true


	class Neko
	nyanOnce: =>
	alert 'nyan'
	@nyanOnce = ->
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