gistfile1.txt

def install_log_method()
  module Kernel
    def log(*args)
        #Log::__log_trampoline(self, *args)
        puts("hello world")
    end
  end
end

#puts("Methods: #{Kernel.methods.grep(/log/).sort.inspect}");
  
if $0 == __FILE__
  install_log_method
end

#Error
#./log.rb:263: syntax error, unexpected keyword_def, expecting ')'
#def install_log_method()
#   ^
#./log.rb:264: module definition in method body