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Ruby caller experiments

/ Published in: Ruby
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  1. class Kung
  2.   mstr = %-
  3.         def foo
  4.           puts 'Hello World from Kung.foo'
  5.           puts caller(0).inspect
  6.         end
  7.       -
  8.   module_eval mstr
  9. end
  10.  
  11. Kung.new.foo
  12.  
  13.  
  14.  
  15. class Monkey
  16.   line, mstr = __LINE__, %-
  17.         def see
  18.           puts 'Hello World from Monkey.see'
  19.           puts caller(0)
  20.         end
  21.       -
  22.   module_eval mstr, __FILE__, line
  23. end
  24.  
  25. Monkey.new.see
  26.  
  27.  
  28. class Monkey
  29.   module_eval(<<-EOS, __FILE__, __LINE__)
  30.         def see
  31.           puts 'Hello World from Monkey.see'
  32.           puts  caller(0)
  33.         end
  34.       EOS
  35. end
  36.  
  37. Monkey.new.see

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