10 ms·

I knew I'd seen that somewhere before, good call. There's a lot of things in coffeescript I'd love to see in other languages.

• zak_mc_kracken 12y ago
  To be fair, the first time I saw this was in Groovy, almost ten years ago.
  • cheapsteak 12y ago
    What is this called? It's impossible to google for
    • grokys 12y ago
      Informally the "Elvis operator".
      • zak_mc_kracken 12y ago
        Correct: http://groovy.codehaus.org/Operators#Operators-ElvisOperator http://groovy.codehaus.org/Operators#Operators-ElvisOperator(?:)
    • adrianmsmith 12y ago
      The "Safe Navigation Operator" - http://groovy.codehaus.org/Operators http://groovy.codehaus.org/Operators