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157 lines
7.2 KiB
157 lines
7.2 KiB
// Boost.Range library |
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// |
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// Copyright Jonathan Turkanis 2005. Use, modification and |
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// distribution is subject to the Boost Software License, Version |
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// 1.0. (See 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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// |
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// For more information, see http://www.boost.org/libs/range/ |
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// |
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#ifndef BOOST_RANGE_DETAIL_REMOVE_BOUNDS_HPP |
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#define BOOST_RANGE_DETAIL_REMOVE_BOUNDS_HPP |
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#include <boost/config.hpp> // MSVC, NO_INTRINSIC_WCHAR_T, put size_t in std. |
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#include <cstddef> |
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#include <boost/mpl/eval_if.hpp> |
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#include <boost/mpl/identity.hpp> |
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#include <boost/type_traits/is_same.hpp> |
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namespace boost |
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{ |
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namespace range_detail |
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{ |
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template< typename Case1 = mpl::true_, |
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typename Type1 = mpl::void_, |
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typename Case2 = mpl::true_, |
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typename Type2 = mpl::void_, |
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typename Case3 = mpl::true_, |
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typename Type3 = mpl::void_, |
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typename Case4 = mpl::true_, |
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typename Type4 = mpl::void_, |
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typename Case5 = mpl::true_, |
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typename Type5 = mpl::void_, |
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typename Case6 = mpl::true_, |
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typename Type6 = mpl::void_, |
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typename Case7 = mpl::true_, |
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typename Type7 = mpl::void_, |
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typename Case8 = mpl::true_, |
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typename Type8 = mpl::void_, |
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typename Case9 = mpl::true_, |
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typename Type9 = mpl::void_, |
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typename Case10 = mpl::true_, |
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typename Type10 = mpl::void_, |
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typename Case11 = mpl::true_, |
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typename Type11 = mpl::void_, |
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typename Case12 = mpl::true_, |
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typename Type12 = mpl::void_, |
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typename Case13 = mpl::true_, |
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typename Type13 = mpl::void_, |
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typename Case14 = mpl::true_, |
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typename Type14 = mpl::void_, |
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typename Case15 = mpl::true_, |
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typename Type15 = mpl::void_, |
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typename Case16 = mpl::true_, |
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typename Type16 = mpl::void_, |
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typename Case17 = mpl::true_, |
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typename Type17 = mpl::void_, |
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typename Case18 = mpl::true_, |
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typename Type18 = mpl::void_, |
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typename Case19 = mpl::true_, |
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typename Type19 = mpl::void_, |
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typename Case20 = mpl::true_, |
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typename Type20 = mpl::void_> |
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struct select { |
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typedef typename |
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mpl::eval_if< |
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Case1, mpl::identity<Type1>, mpl::eval_if< |
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Case2, mpl::identity<Type2>, mpl::eval_if< |
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Case3, mpl::identity<Type3>, mpl::eval_if< |
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Case4, mpl::identity<Type4>, mpl::eval_if< |
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Case5, mpl::identity<Type5>, mpl::eval_if< |
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Case6, mpl::identity<Type6>, mpl::eval_if< |
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Case7, mpl::identity<Type7>, mpl::eval_if< |
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Case8, mpl::identity<Type8>, mpl::eval_if< |
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Case9, mpl::identity<Type9>, mpl::if_< |
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Case10, Type10, mpl::void_ > > > > > > > > > |
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>::type result1; |
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typedef typename |
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mpl::eval_if< |
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Case11, mpl::identity<Type11>, mpl::eval_if< |
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Case12, mpl::identity<Type12>, mpl::eval_if< |
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Case13, mpl::identity<Type13>, mpl::eval_if< |
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Case14, mpl::identity<Type14>, mpl::eval_if< |
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Case15, mpl::identity<Type15>, mpl::eval_if< |
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Case16, mpl::identity<Type16>, mpl::eval_if< |
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Case17, mpl::identity<Type17>, mpl::eval_if< |
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Case18, mpl::identity<Type18>, mpl::eval_if< |
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Case19, mpl::identity<Type19>, mpl::if_< |
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Case20, Type20, mpl::void_ > > > > > > > > > |
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> result2; |
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typedef typename |
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mpl::eval_if< |
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is_same<result1, mpl::void_>, |
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result2, |
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mpl::identity<result1> |
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>::type type; |
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}; |
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template<typename T> |
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struct remove_extent { |
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static T* ar; |
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BOOST_STATIC_CONSTANT(std::size_t, size = sizeof(*ar) / sizeof((*ar)[0])); |
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typedef typename |
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select< |
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is_same<T, bool[size]>, bool, |
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is_same<T, char[size]>, char, |
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is_same<T, signed char[size]>, signed char, |
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is_same<T, unsigned char[size]>, unsigned char, |
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#ifndef BOOST_NO_INTRINSIC_WCHAR_T |
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is_same<T, wchar_t[size]>, wchar_t, |
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#endif |
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is_same<T, short[size]>, short, |
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is_same<T, unsigned short[size]>, unsigned short, |
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is_same<T, int[size]>, int, |
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is_same<T, unsigned int[size]>, unsigned int, |
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is_same<T, long[size]>, long, |
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is_same<T, unsigned long[size]>, unsigned long, |
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is_same<T, float[size]>, float, |
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is_same<T, double[size]>, double, |
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is_same<T, long double[size]>, long double |
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>::type result1; |
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typedef typename |
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select< |
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is_same<T, const bool[size]>, const bool, |
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is_same<T, const char[size]>, const char, |
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is_same<T, const signed char[size]>, const signed char, |
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is_same<T, const unsigned char[size]>, const unsigned char, |
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#ifndef BOOST_NO_INTRINSIC_WCHAR_T |
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is_same<T, const wchar_t[size]>, const wchar_t, |
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#endif |
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is_same<T, const short[size]>, const short, |
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is_same<T, const unsigned short[size]>, const unsigned short, |
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is_same<T, const int[size]>, const int, |
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is_same<T, const unsigned int[size]>, const unsigned int, |
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is_same<T, const long[size]>, const long, |
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is_same<T, const unsigned long[size]>, const unsigned long, |
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is_same<T, const float[size]>, const float, |
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is_same<T, const double[size]>, const double, |
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is_same<T, const long double[size]>, const long double |
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> result2; |
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typedef typename |
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mpl::eval_if< |
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is_same<result1, mpl::void_>, |
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result2, |
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mpl::identity<result1> |
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>::type type; |
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}; |
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} // namespace 'range_detail' |
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} // namespace 'boost' |
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#endif
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