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diff --git a/boost/type_erasure/exception.hpp b/boost/type_erasure/exception.hpp
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+// Boost.TypeErasure library
+//
+// Copyright 2011-2012 Steven Watanabe
+//
+// 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)
+//
+// $Id$
+
+#ifndef BOOST_TYPE_ERASURE_EXCEPTION_HPP_INCLUDED
+#define BOOST_TYPE_ERASURE_EXCEPTION_HPP_INCLUDED
+
+#include <stdexcept>
+#include <typeinfo>
+
+namespace boost {
+namespace type_erasure {
+
+/**
+ * Exception thrown when the arguments to a primitive concept
+ * are incorrect.
+ *
+ * \see \call, \require_match
+ */
+class bad_function_call : public ::std::invalid_argument
+{
+public:
+    bad_function_call() : ::std::invalid_argument("bad_function_call") {}
+};
+
+/**
+ * Exception thrown when an \any_cast to a reference or value fails.
+ */
+class bad_any_cast : public std::bad_cast {};
+
+}
+}
+
+#endif