Fix some warnings in test/example code.

hash/examples/point.cpp

@@ -3,6 +3,11 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
+// Force use of assert.
+#if defined(NDEBUG)
+#undef NDEBUG
+#endif
+
 #include <boost/functional/hash.hpp>
 #include <cassert>
 

hash/examples/portable.cpp

@@ -3,6 +3,11 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
+// Force use of assert.
+#if defined(NDEBUG)
+#undef NDEBUG
+#endif
+
 #include <boost/functional/hash.hpp>
 #include <cassert>
 

hash/test/hash_number_test.cpp

@@ -58,8 +58,6 @@ void numeric_extra_tests(typename
 template <class T>
 void numeric_test(T*)
 {
-    typedef boost::hash_detail::limits<T> limits;
-
     compile_time_tests((T*) 0);
 
     BOOST_HASH_TEST_NAMESPACE::hash<T> x1;