Add a singleton method to a instance object : singleton method « Class « Ruby

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Ruby » Class » singleton method   Add a singleton method to a instance object module Greeter    def hi       "hello"    end end                     # A silly module s = "string object" s.extend(Greeter)       # Add hi as a singleton method to s s.hi                    # => "hello" String.extend(Greeter)  # Add hi as a class method of String String.hi               # => "hello"   Related examples in the same category 1.  Add singleton method to a string instance 2.  Singleton method not copied 3.  Use extend to include a module to create single methods

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