check remote hash tuple

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/rinda/rinda.rb b/lib/rinda/rinda.rb
index 50fb84696a..5af8ecb442 100644
--- a/lib/rinda/rinda.rb
+++ b/lib/rinda/rinda.rb
@@ -31,7 +31,7 @@ module Rinda
   class Tuple
     # Initialize a tuple with an Array or a Hash.
     def initialize(ary_or_hash)
-      if Hash === ary_or_hash
+      if hash?(ary_or_hash)
 	init_with_hash(ary_or_hash)
       else
 	init_with_ary(ary_or_hash)
@@ -68,6 +68,10 @@ module Rinda
     end
 
     private
+    def hash?(ary_or_hash)
+      ary_or_hash.respond_to?(:keys)
+    end
+    
     def init_with_ary(ary)
       @tuple = Array.new(ary.size)
       @tuple.size.times do |i|