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A comment on Dart language. Parent comment

Re:Dart language by jeltz on Monday October 10, 2011 @10:40AM (#3093947)
I actually believe the &:symbol syntax was added in 1.8.7 since I am 100% positive we use that in our codebase which still has not been ported to 1.9.

  $ ruby -e 'puts VERSION; p ["10", "2", "3"].sort_by(&:to_i)'
  1.8.7
  ["2", "3", "10"]
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Re:Dart language by koenigdavidmj on Monday October 10, 2011 @01:12PM (#3094725)
Rails adds it too, even if your version of Ruby does not support it. Yay monkeypatching!

EDIT: said duck typing first. It's too early for thinking.

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