Generating and Understanding Tracebacks : caller « Reflection « Ruby

1. Ruby
2. Reflection
3. caller

Generating and Understanding Tracebacks

/usr/bin/ruby                                                  

                                                               
def do_work
  first = true                                                 
  caller.each do |c|                                           
    puts %{#{(first ? 'I' : ' which')} was called by "#{c}"}   
    first = false                                              
  end                                                          
end                                                            

do_work

 

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