lib/backports/1.9.1/hash.rb in backports-2.3.0 vs lib/backports/1.9.1/hash.rb in backports-2.4.0

@@ -1,14 +1,31 @@
 class Hash
   # Standard in Ruby 1.8.8. See official documentation[http://ruby-doc.org/core-1.9/classes/Hash.html]
   class << self
     def try_convert(x)
-      return nil unless x.respond_to? :to_hash
-      x.to_hash
+      Backports.try_convert(x, Hash, :to_hash)
     end unless method_defined? :try_convert
   end
 
   # Standard in Ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Hash.html]
   def default_proc=(proc)
     replace(Hash.new(&Backports.coerce_to(proc, Proc, :to_proc)).merge!(self))
   end unless method_defined? :default_proc=
-end
\ No newline at end of file
+
+  # Standard in Ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Hash.html]
+  def assoc(key)
+    val = fetch(key) do
+      return find do |k, v|
+        [k, v] if k == key
+      end
+    end
+    [key, val]
+  end unless method_defined? :assoc
+
+
+  # Standard in Ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Hash.html]
+  def rassoc(value)
+    k = key(value)
+    v = fetch(k){return nil}
+    [k, fetch(k)] if k || v == value
+  end unless method_defined? :rassoc
+end