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Ruby 1.9 compat

Remember when Ruby supported `when <expr> :`? Well, it doesn't in 1.9, so let's make sure we use `then`, without ruining our lovely new hash syntax!

Start file

#!/usr/bin/env ruby

class Klass
  ITEMS = {
    foo: ["bar", "baz"],
    lorem: "ipsum",
  }

  def initialize(args)
    @item = case args.first
    when :foo, :bar: ITEMS[:foo][1]
    when :lorem    : ITEMS[:lorem]
    end
  end
end

End file

#!/usr/bin/env ruby

class Klass
  ITEMS = {
    foo: ["bar", "baz"],
    lorem: "ipsum",
  }

  def initialize(args)
    @item = case args.first
    when :foo, :bar then ITEMS[:foo][1]
    when :lorem     then ITEMS[:lorem]
    end
  end
end

View Diff

11,12c11,12
<     when :foo, :bar: ITEMS[:foo][1]
<     when :lorem    : ITEMS[:lorem]
---
>     when :foo, :bar then ITEMS[:foo][1]
>     when :lorem     then ITEMS[:lorem]

Solutions by @nooodl:

Created by: @lee_jarvis Tweet

234 active golfers, 629 entries

Solutions by @nooodl:

18

#160 - nooodl / @nooodl

12/30/2010 at 11:36AM