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  1. # Swift's closure
  2. #   https://d...content-available-to-author-only...e.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html
  3.  
  4.  
  5. require 'continuation'  # Need for Ruby 1.9 or later
  6.  
  7.  
  8. DigitNames = {
  9.     0 => "Zero", 1 => "One", 2 => "Two",   3 => "Three", 4 => "Four",
  10.     5 => "Five", 6 => "Six", 7 => "Seven", 8 => "Eight", 9 => "Nine"
  11. }
  12. Numbers = [16, 58, 510]
  13.  
  14.  
  15. strings = Numbers.map { |number|
  16.     callcc { |continuation|
  17.         loop.inject([number, '']) { |(num, output), _|
  18.             if num > 0
  19.                 [num / 10, DigitNames[num % 10] + output]
  20.             else
  21.                 continuation.call output
  22.             end
  23.         }
  24.     }
  25. }
  26.  
  27.  
  28. for s in strings
  29.     puts s
  30. end
Success #stdin #stdout 0.02s 7488KB
comments (?)
stdin 
Standard input is empty
stdout 
OneSix
FiveEight
FiveOneZero
https://ideone.com/5t1VEq
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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