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  1. odd_rule = proc { |n| n % 2 == 1 }
  2. even_rule = proc { |n| n % 2 == 0 }
  3.  
  4. case 10
  5. when odd_rule
  6.   print "Odd!"
  7. when even_rule
  8.   print "Even!"
  9. end
  10.  
Success #stdin #stdout 0.01s 7452KB
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Standard input is empty
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Even!
https://ideone.com/59UrnO
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
public

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