整理

include/boost/smart_ptr/bad_weak_ptr.hpp

@@ -0,0 +1,48 @@
+#ifndef BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED
+#define BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+//  boost/smart_ptr/bad_weak_ptr.hpp
+//
+//  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
+//
+// 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)
+//
+
+#include <boost/config.hpp>
+#include <exception>
+
+namespace boost
+{
+
+#if defined(BOOST_CLANG)
+// Intel C++ on Mac defines __clang__ but doesn't support the pragma
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+class bad_weak_ptr: public std::exception
+{
+public:
+
+    char const * what() const noexcept override
+    {
+        return "tr1::bad_weak_ptr";
+    }
+};
+
+#if defined(BOOST_CLANG)
+# pragma clang diagnostic pop
+#endif
+
+} // namespace boost
+
+#endif  // #ifndef BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED