The respond_to? method from Object checks to see if a given object responds to a given method. : respond_to « Reflection « Ruby

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Ruby » Reflection » respond_to   The respond_to? method from Object checks to see if a given object responds to a given method. class A   attr_accessor :x end a = A.new a.respond_to? :x # => true a.respond_to? :x= # => true a.respond_to? :y # => false   Related examples in the same category 1.  The method respond_to? tests to see whether an instance of Address has access to :given_name, inherited from the Name class. 2.  Testing Whether an Object Is String-like 3.  Check respond_to? for new added instance method 4.  Check respond_to? for new added singleton method

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