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