mash.rb in extlib-0.9.7

- old
+ new

@@ -94,10 +94,21 @@
   #   The key to delete from the mash.\
   def delete(key) 
     super(convert_key(key)) 
   end
 
+  # @param *rejected<Array[(String, Symbol)] The mash keys to exclude.
+  #
+  # @return <Mash> A new mash without the selected keys.
+  #
+  # @example
+  #   { :one => 1, :two => 2, :three => 3 }.except(:one)
+  #     #=> { "two" => 2, "three" => 3 }
+  def except(*keys)
+    super(*keys.map {|k| convert_key(k)})
+  end
+
   # Used to provide the same interface as Hash.
   #
   # @return <Mash> This mash unchanged.
   def stringify_keys!; self end
  
@@ -124,15 +135,14 @@
   #   The converted value. A Hash or an Array of hashes, will be converted to
   #   their Mash equivalents.
   #
   # @api private
   def convert_value(value) 
-    case value 
-    when Hash 
+    if value.class == Hash
       value.to_mash 
-    when Array 
+    elsif value.is_a?(Array)
       value.collect { |e| convert_value(e) } 
-    else 
-      value 
+    else
+      value
     end 
   end
 end
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