example of i don't give a shit gem

i_dont_give_a_shit.rb

alias :method_missing_i_dont_give_a_shit :method_missing 

def method_missing(sym,*args, &block)
  puts "sym is #{sym}"
  method_name = sym.to_s
  if /.+\?$/ =~ method_name
    puts "i dont care"
    target_method = method_name[0..-2]
    puts "target is #{target_method}"
    puts self.class
    if self == nil  and not /^to_.+/ =~ target_method
      puts "current is self"
      nil
    else
      puts "not self"
    self.send(target_method, *args, &block)
  end
  else  
    puts "old method missing"
    method_missing_i_dont_give_a_shit(sym, *args, &block)
  end
end


puts nil.i?.dont?.give?.a?.shit?.class