 Ruby
        Ruby  
      Rubyで無限ループを扱う5つの方法    
   Ruby
        Ruby   JS
        JS   JS
        JS   Python
        Python   Swift
        Swift   PHP
        PHP   TypeScript
        TypeScript   Swift
        Swift   HTML
        HTML   TypeScript
        TypeScript   HTML
        HTML   Verilog
        Verilog   C++
            C++     Python
            Python     C++
            C++     Ruby
            Ruby     Ruby
            Ruby     Ruby
            Ruby     C++
            C++