Created
July 26, 2015 20:44
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| public.class_eval { def say_hello; 'Hello!'; end } | |
| :ruby.say_hello # => "Hello!" |
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| public.class.class_eval { public :define_method } # First we need to change visibility of define_method() :) | |
| public.define_method(:say_hello) { 'Hello' } | |
| nil.say_hello # => 'Hello!' |
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