sdk: build libsupc++ from libstdc++ source
git-svn-id: svn://kolibrios.org@5134 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
333
contrib/sdk/sources/libstdc++-v3/include/array
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333
contrib/sdk/sources/libstdc++-v3/include/array
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// <array> -*- C++ -*-
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// Copyright (C) 2007-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file include/array
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_ARRAY
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#define _GLIBCXX_ARRAY 1
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#pragma GCC system_header
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#if __cplusplus < 201103L
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# include <bits/c++0x_warning.h>
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#else
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#include <stdexcept>
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#include <bits/stl_algobase.h>
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#include <bits/range_access.h>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
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template<typename _Tp, std::size_t _Nm>
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struct __array_traits
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{
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typedef _Tp _Type[_Nm];
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static constexpr _Tp&
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_S_ref(const _Type& __t, std::size_t __n) noexcept
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{ return const_cast<_Tp&>(__t[__n]); }
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};
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template<typename _Tp>
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struct __array_traits<_Tp, 0>
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{
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struct _Type { };
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static constexpr _Tp&
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_S_ref(const _Type&, std::size_t) noexcept
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{ return *static_cast<_Tp*>(nullptr); }
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};
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/**
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* @brief A standard container for storing a fixed size sequence of elements.
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*
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* @ingroup sequences
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*
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* Meets the requirements of a <a href="tables.html#65">container</a>, a
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* <a href="tables.html#66">reversible container</a>, and a
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* <a href="tables.html#67">sequence</a>.
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*
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* Sets support random access iterators.
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*
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* @tparam Tp Type of element. Required to be a complete type.
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* @tparam N Number of elements.
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*/
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template<typename _Tp, std::size_t _Nm>
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struct array
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{
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typedef _Tp value_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// Support for zero-sized arrays mandatory.
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typedef _GLIBCXX_STD_C::__array_traits<_Tp, _Nm> _AT_Type;
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typename _AT_Type::_Type _M_elems;
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// No explicit construct/copy/destroy for aggregate type.
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// DR 776.
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void
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fill(const value_type& __u)
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{ std::fill_n(begin(), size(), __u); }
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void
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swap(array& __other)
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noexcept(noexcept(swap(std::declval<_Tp&>(), std::declval<_Tp&>())))
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{ std::swap_ranges(begin(), end(), __other.begin()); }
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// Iterators.
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iterator
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begin() noexcept
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{ return iterator(data()); }
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const_iterator
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begin() const noexcept
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{ return const_iterator(data()); }
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iterator
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end() noexcept
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{ return iterator(data() + _Nm); }
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const_iterator
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end() const noexcept
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{ return const_iterator(data() + _Nm); }
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reverse_iterator
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rbegin() noexcept
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{ return reverse_iterator(end()); }
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const_reverse_iterator
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rbegin() const noexcept
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{ return const_reverse_iterator(end()); }
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reverse_iterator
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rend() noexcept
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{ return reverse_iterator(begin()); }
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const_reverse_iterator
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rend() const noexcept
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{ return const_reverse_iterator(begin()); }
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const_iterator
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cbegin() const noexcept
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{ return const_iterator(data()); }
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const_iterator
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cend() const noexcept
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{ return const_iterator(data() + _Nm); }
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const_reverse_iterator
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crbegin() const noexcept
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{ return const_reverse_iterator(end()); }
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const_reverse_iterator
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crend() const noexcept
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{ return const_reverse_iterator(begin()); }
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// Capacity.
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constexpr size_type
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size() const noexcept { return _Nm; }
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constexpr size_type
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max_size() const noexcept { return _Nm; }
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constexpr bool
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empty() const noexcept { return size() == 0; }
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// Element access.
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reference
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operator[](size_type __n)
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{ return _AT_Type::_S_ref(_M_elems, __n); }
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constexpr const_reference
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operator[](size_type __n) const noexcept
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{ return _AT_Type::_S_ref(_M_elems, __n); }
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reference
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at(size_type __n)
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{
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if (__n >= _Nm)
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std::__throw_out_of_range(__N("array::at"));
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return _AT_Type::_S_ref(_M_elems, __n);
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}
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constexpr const_reference
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at(size_type __n) const
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{
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// Result of conditional expression must be an lvalue so use
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// boolean ? lvalue : (throw-expr, lvalue)
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return __n < _Nm ? _AT_Type::_S_ref(_M_elems, __n)
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: (std::__throw_out_of_range(__N("array::at")),
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_AT_Type::_S_ref(_M_elems, 0));
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}
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reference
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front()
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{ return *begin(); }
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constexpr const_reference
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front() const
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{ return _AT_Type::_S_ref(_M_elems, 0); }
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reference
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back()
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{ return _Nm ? *(end() - 1) : *end(); }
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constexpr const_reference
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back() const
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{
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return _Nm ? _AT_Type::_S_ref(_M_elems, _Nm - 1)
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: _AT_Type::_S_ref(_M_elems, 0);
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}
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pointer
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data() noexcept
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{ return std::__addressof(_AT_Type::_S_ref(_M_elems, 0)); }
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const_pointer
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data() const noexcept
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{ return std::__addressof(_AT_Type::_S_ref(_M_elems, 0)); }
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};
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// Array comparisons.
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator==(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
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{ return std::equal(__one.begin(), __one.end(), __two.begin()); }
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator!=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
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{ return !(__one == __two); }
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
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{
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return std::lexicographical_compare(__a.begin(), __a.end(),
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__b.begin(), __b.end());
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}
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator>(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
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{ return __two < __one; }
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator<=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
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{ return !(__one > __two); }
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template<typename _Tp, std::size_t _Nm>
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inline bool
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operator>=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
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{ return !(__one < __two); }
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// Specialized algorithms.
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template<typename _Tp, std::size_t _Nm>
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inline void
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swap(array<_Tp, _Nm>& __one, array<_Tp, _Nm>& __two)
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noexcept(noexcept(__one.swap(__two)))
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{ __one.swap(__two); }
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template<std::size_t _Int, typename _Tp, std::size_t _Nm>
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constexpr _Tp&
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get(array<_Tp, _Nm>& __arr) noexcept
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{
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static_assert(_Int < _Nm, "index is out of bounds");
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return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
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_S_ref(__arr._M_elems, _Int);
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}
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template<std::size_t _Int, typename _Tp, std::size_t _Nm>
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constexpr _Tp&&
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get(array<_Tp, _Nm>&& __arr) noexcept
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{
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static_assert(_Int < _Nm, "index is out of bounds");
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return std::move(get<_Int>(__arr));
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}
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template<std::size_t _Int, typename _Tp, std::size_t _Nm>
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constexpr const _Tp&
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get(const array<_Tp, _Nm>& __arr) noexcept
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{
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static_assert(_Int < _Nm, "index is out of bounds");
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return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
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_S_ref(__arr._M_elems, _Int);
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}
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_GLIBCXX_END_NAMESPACE_CONTAINER
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} // namespace std
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// Tuple interface to class template array.
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/// tuple_size
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template<typename _Tp>
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class tuple_size;
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template<typename _Tp, std::size_t _Nm>
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struct tuple_size<_GLIBCXX_STD_C::array<_Tp, _Nm>>
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: public integral_constant<std::size_t, _Nm> { };
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/// tuple_element
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template<std::size_t _Int, typename _Tp>
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class tuple_element;
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template<std::size_t _Int, typename _Tp, std::size_t _Nm>
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struct tuple_element<_Int, _GLIBCXX_STD_C::array<_Tp, _Nm>>
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{
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static_assert(_Int < _Nm, "index is out of bounds");
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typedef _Tp type;
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};
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#ifdef _GLIBCXX_DEBUG
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# include <debug/array>
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#endif
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#ifdef _GLIBCXX_PROFILE
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# include <profile/array>
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#endif
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#endif // C++11
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#endif // _GLIBCXX_ARRAY
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