class Object
class A
singleton_from :start def initialize(arg1, arg2, &block) p block.call p "Initialize" p arg1 p arg2 end def start(&block) p block.call p "start" end
end
A.start(“1”, “2”) do
puts "Hi, everyone... :-)"
end
Public Class Methods
singleton_from(*method_names)
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# File lib/singleton_from.rb, line 25 def singleton_from(*method_names) self.class.send(:define_method, :instance) do @__instance__ ||= new end method_names.each do |method_name| self.class.send(:define_method, method_name) do |*args, &block| self.instance.send(__method__, *args, &block) end end end