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ðŸ“„ basic_ios.tcc(5.94 KB)
ðŸ“„ basic_string.h(237.01 KB)
ðŸ“„ basic_string.tcc(52.5 KB)
ðŸ“„ boost_concept_check.h(26.52 KB)
ðŸ“„ c++0x_warning.h(1.44 KB)
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ðŸ“„ codecvt.h(20.79 KB)
ðŸ“„ concept_check.h(3.34 KB)
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ðŸ“„ deque.tcc(33.32 KB)
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ðŸ“„ exception.h(2.23 KB)
ðŸ“„ exception_defines.h(1.61 KB)
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ðŸ“„ forward_list.h(47.77 KB)
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ðŸ“„ fstream.tcc(32.03 KB)
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ðŸ“„ indirect_array.h(7.68 KB)
ðŸ“„ invoke.h(3.57 KB)
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ðŸ“„ istream.tcc(30.36 KB)
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ðŸ“„ random.tcc(103.12 KB)
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ðŸ“„ regex_scanner.h(6.92 KB)
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ðŸ“„ shared_ptr.h(22.88 KB)
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ðŸ“„ std_abs.h(3.19 KB)
ðŸ“„ std_function.h(22.71 KB)
ðŸ“„ std_mutex.h(9.08 KB)
ðŸ“„ stl_algo.h(209.27 KB)
ðŸ“„ stl_algobase.h(49.31 KB)
ðŸ“„ stl_bvector.h(32.94 KB)
ðŸ“„ stl_construct.h(7.22 KB)
ðŸ“„ stl_deque.h(76.73 KB)
ðŸ“„ stl_function.h(40.77 KB)
ðŸ“„ stl_heap.h(19.73 KB)
ðŸ“„ stl_iterator.h(41.3 KB)
ðŸ“„ stl_iterator_base_funcs.h(7.99 KB)
ðŸ“„ stl_iterator_base_types.h(8.48 KB)
ðŸ“„ stl_list.h(65.97 KB)
ðŸ“„ stl_map.h(51.55 KB)
ðŸ“„ stl_multimap.h(40.58 KB)
ðŸ“„ stl_multiset.h(34.97 KB)
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ðŸ“„ stl_pair.h(18.21 KB)
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ðŸ“„ stl_raw_storage_iter.h(3.74 KB)
ðŸ“„ stl_relops.h(4.49 KB)
ðŸ“„ stl_set.h(35.28 KB)
ðŸ“„ stl_stack.h(11.66 KB)
ðŸ“„ stl_tempbuf.h(8.15 KB)
ðŸ“„ stl_tree.h(73.15 KB)
ðŸ“„ stl_uninitialized.h(27.06 KB)
ðŸ“„ stl_vector.h(59.12 KB)
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ðŸ“„ streambuf.tcc(4.81 KB)
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ðŸ“„ stringfwd.h(2.55 KB)
ðŸ“„ uniform_int_dist.h(9.84 KB)
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ðŸ“„ uses_allocator.h(6.37 KB)
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ðŸ“„ valarray_array.h(21.3 KB)
ðŸ“„ valarray_array.tcc(7.08 KB)
ðŸ“„ valarray_before.h(18.08 KB)
ðŸ“„ vector.tcc(28.95 KB)

Editing: stl_construct.h

// nonstandard construct and destroy functions -*- C++ -*-

// Copyright (C) 2001-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Hewlett-Packard Company makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 *
 * Copyright (c) 1996,1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file bits/stl_construct.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{memory}
 */

#ifndef _STL_CONSTRUCT_H
#define _STL_CONSTRUCT_H 1

#include <new>
#include <bits/move.h>
#include <ext/alloc_traits.h>

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

/**
   * Constructs an object in existing memory by invoking an allocated
   * object's constructor with an initializer.
   */
#if __cplusplus >= 201103L
  template<typename _T1, typename... _Args>
    inline void
    _Construct(_T1* __p, _Args&&... __args)
    { ::new(static_cast<void*>(__p)) _T1(std::forward<_Args>(__args)...); }
#else
  template<typename _T1, typename _T2>
    inline void
    _Construct(_T1* __p, const _T2& __value)
    {
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 402. wrong new expression in [some_]allocator::construct
      ::new(static_cast<void*>(__p)) _T1(__value);
    }
#endif

template<typename _T1>
    inline void
    _Construct_novalue(_T1* __p)
    { ::new(static_cast<void*>(__p)) _T1; }

/**
   * Destroy the object pointed to by a pointer type.
   */
  template<typename _Tp>
    inline void
    _Destroy(_Tp* __pointer)
    { __pointer->~_Tp(); }

template<bool>
    struct _Destroy_aux
    {
      template<typename _ForwardIterator>
        static void
        __destroy(_ForwardIterator __first, _ForwardIterator __last)
	{
	  for (; __first != __last; ++__first)
	    std::_Destroy(std::__addressof(*__first));
	}
    };

template<>
    struct _Destroy_aux<true>
    {
      template<typename _ForwardIterator>
        static void
        __destroy(_ForwardIterator, _ForwardIterator) { }
    };

/**
   * Destroy a range of objects.  If the value_type of the object has
   * a trivial destructor, the compiler should optimize all of this
   * away, otherwise the objects' destructors must be invoked.
   */
  template<typename _ForwardIterator>
    inline void
    _Destroy(_ForwardIterator __first, _ForwardIterator __last)
    {
      typedef typename iterator_traits<_ForwardIterator>::value_type
                       _Value_type;
#if __cplusplus >= 201103L
      // A deleted destructor is trivial, this ensures we reject such types:
      static_assert(is_destructible<_Value_type>::value,
		    "value type is destructible");
#endif
      std::_Destroy_aux<__has_trivial_destructor(_Value_type)>::
	__destroy(__first, __last);
    }

template<bool>
    struct _Destroy_n_aux
    {
      template<typename _ForwardIterator, typename _Size>
        static _ForwardIterator
        __destroy_n(_ForwardIterator __first, _Size __count)
	{
	  for (; __count > 0; (void)++__first, --__count)
	    std::_Destroy(std::__addressof(*__first));
	  return __first;
	}
    };

template<>
    struct _Destroy_n_aux<true>
    {
      template<typename _ForwardIterator, typename _Size>
        static _ForwardIterator
        __destroy_n(_ForwardIterator __first, _Size __count)
	{
	  std::advance(__first, __count);
	  return __first;
	}
    };

/**
   * Destroy a range of objects.  If the value_type of the object has
   * a trivial destructor, the compiler should optimize all of this
   * away, otherwise the objects' destructors must be invoked.
   */
  template<typename _ForwardIterator, typename _Size>
    inline _ForwardIterator
    _Destroy_n(_ForwardIterator __first, _Size __count)
    {
      typedef typename iterator_traits<_ForwardIterator>::value_type
                       _Value_type;
#if __cplusplus >= 201103L
      // A deleted destructor is trivial, this ensures we reject such types:
      static_assert(is_destructible<_Value_type>::value,
		    "value type is destructible");
#endif
      return std::_Destroy_n_aux<__has_trivial_destructor(_Value_type)>::
	__destroy_n(__first, __count);
    }

/**
   * Destroy a range of objects using the supplied allocator.  For
   * nondefault allocators we do not optimize away invocation of 
   * destroy() even if _Tp has a trivial destructor.
   */

template<typename _ForwardIterator, typename _Allocator>
    void
    _Destroy(_ForwardIterator __first, _ForwardIterator __last,
	     _Allocator& __alloc)
    {
      typedef __gnu_cxx::__alloc_traits<_Allocator> __traits;
      for (; __first != __last; ++__first)
	__traits::destroy(__alloc, std::__addressof(*__first));
    }

template<typename _ForwardIterator, typename _Tp>
    inline void
    _Destroy(_ForwardIterator __first, _ForwardIterator __last,
	     allocator<_Tp>&)
    {
      _Destroy(__first, __last);
    }

#if __cplusplus > 201402L
  template <typename _Tp>
    inline void
    destroy_at(_Tp* __location)
    {
      std::_Destroy(__location);
    }

template <typename _ForwardIterator>
    inline void
    destroy(_ForwardIterator __first, _ForwardIterator __last)
    {
      std::_Destroy(__first, __last);
    }

template <typename _ForwardIterator, typename _Size>
    inline _ForwardIterator
    destroy_n(_ForwardIterator __first, _Size __count)
    {
      return std::_Destroy_n(__first, __count);
    }
#endif

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif /* _STL_CONSTRUCT_H */

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