From: Run Paint Run Run <redmine@...>
Date: 2010-08-13T02:10:46+09:00
Subject: [ruby-core:31697] [Backport #3680] Splatting calls to_ary instead of to_a in some cases

Issue #3680 has been updated by Run Paint Run Run.


I don't have a 1.9.1 installed ATM, but on trunk/1.9.3 the following does indeed call #to_a. (#respond_to? isn't used in this case, no pun intended).

  class C
   def to_ary; p :ary; [:ary]; end
   def to_a;   p :a;   [:a];   end
  end
  case 
   when *C.new
  end

  run@paint:/tmp ���  ruby -v x.rb 
  ruby 1.9.3dev (2010-06-05 trunk 28178) [i686-linux]
  :a
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http://redmine.ruby-lang.org/issues/show/3680

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