comparison DEPENDENCIES/generic/include/boost/python/detail/dependent.hpp @ 16:2665513ce2d3

Add boost headers

+// Copyright David Abrahams 2002.
+// 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)
+#ifndef DEPENDENT_DWA200286_HPP
+# define DEPENDENT_DWA200286_HPP
+
+namespace boost { namespace python { namespace detail { 
+
+// A way to turn a concrete type T into a type dependent on U. This
+// keeps conforming compilers (those implementing proper 2-phase
+// name lookup for templates) from complaining about incomplete
+// types in situations where it would otherwise be inconvenient or
+// impossible to re-order code so that all types are defined in time.
+
+// One such use is when we must return an incomplete T from a member
+// function template (which must be defined in the class body to
+// keep MSVC happy).
+template <class T, class U>
+struct dependent
+{
+    typedef T type;
+};
+
+}}} // namespace boost::python::detail
+
+#endif // DEPENDENT_DWA200286_HPP