projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Copyright David Abrahams 2002. |
| 2 | // Distributed under the Boost Software License, Version 1.0. (See | |
| 3 | // accompanying file LICENSE_1_0.txt or copy at | |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | #ifndef DEPENDENT_DWA200286_HPP | |
| 6 | # define DEPENDENT_DWA200286_HPP | |
| 7 | ||
| 8 | namespace boost { namespace python { namespace detail { | |
| 9 | ||
| 10 | // A way to turn a concrete type T into a type dependent on U. This | |
| 11 | // keeps conforming compilers (those implementing proper 2-phase | |
| 12 | // name lookup for templates) from complaining about incomplete | |
| 13 | // types in situations where it would otherwise be inconvenient or | |
| 14 | // impossible to re-order code so that all types are defined in time. | |
| 15 | ||
| 16 | // One such use is when we must return an incomplete T from a member | |
| 17 | // function template (which must be defined in the class body to | |
| 18 | // keep MSVC happy). | |
| 19 | template <class T, class U> | |
| 20 | struct dependent | |
| 21 | { | |
| 22 | typedef T type; | |
| 23 | }; | |
| 24 | ||
| 25 | }}} // namespace boost::python::detail | |
| 26 | ||
| 27 | #endif // DEPENDENT_DWA200286_HPP |