Merge pull request #16 from makinada/feature/values_method

added #values method to mimic Hash#values

lib/lru_redux/cache.rb

@@ -79,6 +79,11 @@ def to_a
     array.reverse!
   end
 
+  def values
+    vals = @data.values
+    vals.reverse!
+  end
+
   def delete(key)
     @data.delete(key)
   end

lib/lru_redux/ttl/cache.rb

@@ -125,6 +125,13 @@ def to_a
         array.reverse!
       end
 
+      def values
+        ttl_evict
+
+        vals = @data_lru.values
+        vals.reverse!
+      end
+
       def delete(key)
         ttl_evict
 

lib/lru_redux/util/safe_sync.rb

@@ -57,6 +57,12 @@ def to_a
         end
       end
 
+      def values
+        synchronize do
+          super
+        end
+      end
+
       def delete(key)
         synchronize do
           super(key)

test/cache_test.rb

@@ -128,4 +128,14 @@ def test_each
     assert_equal [[:c,3],[:b, 2]], pairs
 
   end
+
+  def test_values
+    @c[:a] = 1
+    @c[:b] = 2
+    @c[:c] = 3
+    @c[:d] = 4
+
+    assert_equal [4,3,2], @c.values
+    assert_nil @c[:a]
+  end
 end