diff --git a/src/utility.h b/src/utility.h
index d660ef4d..19772936 100644
--- a/src/utility.h
+++ b/src/utility.h
@@ -43,6 +43,14 @@ namespace etl
     object = new_value;
     return old_value;
   }
+
+  template <typename T, typename U = T>
+  T exchange(T& object, const U& new_value)
+  {
+    T old_value = object;
+    object = new_value;
+    return old_value;
+  }
 }
 
 #endif
diff --git a/test/test_utility.cpp b/test/test_utility.cpp
new file mode 100644
index 00000000..fad3bc26
--- /dev/null
+++ b/test/test_utility.cpp
@@ -0,0 +1,61 @@
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+http://www.etlcpp.com
+
+Copyright(c) 2014 jwellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#include <UnitTest++/UnitTest++.h>
+
+#include "../src/utility.h"
+
+namespace
+{
+  SUITE(test_utility)
+  {
+    //=========================================================================
+    TEST(test_exchange)
+    {
+      int a = 1;
+      int b = 2;
+      int c = etl::exchange(a, b); // c = a, a = b
+
+      CHECK_EQUAL(2, a);
+      CHECK_EQUAL(2, b);
+      CHECK_EQUAL(1, c);
+    }
+
+    //=========================================================================
+    TEST(test_exchange_const)
+    {
+      int a = 1;
+      const int b = 2;
+      int c = etl::exchange(a, b); // c = a, a = b
+
+      CHECK_EQUAL(2, a);
+      CHECK_EQUAL(2, b);
+      CHECK_EQUAL(1, c);
+    }
+  };
+}