void.rb

void.rb

Object.module_eval do
  def self.void(method_name)
    old_method_name = :"old_#{method_name}"
    alias_method old_method_name, method_name
    private old_method_name

    define_method method_name do
      send(old_method_name)
      nil
    end
  end
end

class Foo
  void def fuck_implicit_returns
    puts "fuck implicit returns"
    "can't return this!!"
  end
end

value = Foo.new.fuck_implicit_returns
puts("value is: #{value}")