Add method to an instance : singleton_method_added « Reflection « Ruby

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Ruby » Reflection » singleton_method_added 




Add method to an instance

a = "hello" 

b = a.dup 
def a.to_s 
    "The value is '#{self}'" 
end 

def a.twoTimes 
    self + self 
end 

a.to_s 
a.twoTimes
b.to_s 

 














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1.Use singleton_method_added to call a singleton method
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