Merged ScopeExit (improved), LocalFunction (new), Functional/OverloadedFunction (new), and Utility/IdentityType (new) from trunk into release branch.

[SVN r78564]

test/operator_error.cpp

@@ -0,0 +1,38 @@
+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#include <boost/config.hpp>
+#ifdef BOOST_NO_VARIADIC_MACROS
+#   error "variadic macros required"
+#else
+
+#include <boost/local_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+#include <boost/detail/lightweight_test.hpp>
+
+struct point {
+    int x;
+    int y;
+};
+BOOST_TYPEOF_REGISTER_TYPE(point) // Register for `NAME` below.
+
+int main(void) {
+    //[operator_error
+    bool BOOST_LOCAL_FUNCTION(const point& p, const point& q) {
+        return p.x == q.x && p.y == q.y;
+    } BOOST_LOCAL_FUNCTION_NAME(operator==) // Error: Cannot use `operator...`.
+    //]
+
+    point a; a.x = 1; a.y = 2;
+    point b = a;
+    BOOST_TEST(a == b);
+    return boost::report_errors();
+}
+
+#endif // VARIADIC_MACROS
+