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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Prevents the current class from responding to calls to the named method. Contrast this with <tt>remove_method</tt>, which deletes the method from the particular class; Ruby will still search superclasses and mixed-in modules for a possible receiver. - !ruby/struct:SM::Flow::VERB body: " class Parent\n def hello\n puts "In parent"\n end\n end\n class Child < Parent\n def hello\n puts "In child"\n end\n end\n\n c = Child.new\n c.hello\n\n class Child\n remove_method :hello # remove from child, still in parent\n end\n c.hello\n\n class Child\n undef_method :hello # prevent any calls to 'hello'\n end\n c.hello\n" - !ruby/struct:SM::Flow::P body: <em>produces:</em> - !ruby/struct:SM::Flow::VERB body: " In child\n In parent\n prog.rb:23: undefined method `hello' for #<Child:0x401b3bb4> (NoMethodError)\n" full_name: Module#undef_method is_singleton: false name: undef_method params: | undef_method(symbol) => self visibility: public