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27 lines
949 B
27 lines
949 B
// Copyright David Abrahams 2002. |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef DEPENDENT_DWA200286_HPP |
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# define DEPENDENT_DWA200286_HPP |
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namespace boost { namespace python { namespace detail { |
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// A way to turn a concrete type T into a type dependent on U. This |
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// keeps conforming compilers (those implementing proper 2-phase |
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// name lookup for templates) from complaining about incomplete |
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// types in situations where it would otherwise be inconvenient or |
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// impossible to re-order code so that all types are defined in time. |
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// One such use is when we must return an incomplete T from a member |
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// function template (which must be defined in the class body to |
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// keep MSVC happy). |
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template <class T, class U> |
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struct dependent |
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{ |
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typedef T type; |
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}; |
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}}} // namespace boost::python::detail |
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#endif // DEPENDENT_DWA200286_HPP
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