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ðŸ“„ algorithmfwd.h(21.23 KB)
ðŸ“„ alloc_traits.h(19.6 KB)
ðŸ“„ allocated_ptr.h(3.22 KB)
ðŸ“„ allocator.h(7.39 KB)
ðŸ“„ atomic_base.h(23.28 KB)
ðŸ“„ atomic_futex.h(9.35 KB)
ðŸ“„ atomic_lockfree_defines.h(2.2 KB)
ðŸ“„ basic_ios.h(15.7 KB)
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)
ðŸ“„ char_traits.h(20.42 KB)
ðŸ“„ codecvt.h(20.79 KB)
ðŸ“„ concept_check.h(3.34 KB)
ðŸ“„ cpp_type_traits.h(9.56 KB)
ðŸ“„ cxxabi_forced.h(1.77 KB)
ðŸ“„ cxxabi_init_exception.h(2.17 KB)
ðŸ“„ deque.tcc(33.32 KB)
ðŸ“„ enable_special_members.h(12.1 KB)
ðŸ“„ exception.h(2.23 KB)
ðŸ“„ exception_defines.h(1.61 KB)
ðŸ“„ exception_ptr.h(5.84 KB)
ðŸ“„ forward_list.h(47.77 KB)
ðŸ“„ forward_list.tcc(12.86 KB)
ðŸ“„ fs_dir.h(14.38 KB)
ðŸ“„ fs_fwd.h(10.04 KB)
ðŸ“„ fs_ops.h(9.5 KB)
ðŸ“„ fs_path.h(32.12 KB)
ðŸ“„ fstream.tcc(32.03 KB)
ðŸ“„ functexcept.h(3.18 KB)
ðŸ“„ functional_hash.h(8.04 KB)
ðŸ“„ gslice.h(5.39 KB)
ðŸ“„ gslice_array.h(7.59 KB)
ðŸ“„ hash_bytes.h(2.1 KB)
ðŸ“„ hashtable.h(72.06 KB)
ðŸ“„ hashtable_policy.h(66.38 KB)
ðŸ“„ indirect_array.h(7.68 KB)
ðŸ“„ invoke.h(3.57 KB)
ðŸ“„ ios_base.h(30.3 KB)
ðŸ“„ istream.tcc(30.36 KB)
ðŸ“„ list.tcc(15.6 KB)
ðŸ“„ locale_classes.h(24.31 KB)
ðŸ“„ locale_classes.tcc(8.18 KB)
ðŸ“„ locale_conv.h(15.72 KB)
ðŸ“„ locale_facets.h(90.16 KB)
ðŸ“„ locale_facets.tcc(38.62 KB)
ðŸ“„ locale_facets_nonio.h(67.36 KB)
ðŸ“„ locale_facets_nonio.tcc(44.22 KB)
ðŸ“„ localefwd.h(5.51 KB)
ðŸ“„ mask_array.h(7.42 KB)
ðŸ“„ memoryfwd.h(2.4 KB)
ðŸ“„ move.h(6.38 KB)
ðŸ“„ nested_exception.h(4.69 KB)
ðŸ“„ node_handle.h(8.02 KB)
ðŸ“„ ostream.tcc(12.03 KB)
ðŸ“„ ostream_insert.h(3.91 KB)
ðŸ“„ parse_numbers.h(7.76 KB)
ðŸ“„ postypes.h(8.02 KB)
ðŸ“„ predefined_ops.h(8.87 KB)
ðŸ“„ ptr_traits.h(6.47 KB)
ðŸ“„ quoted_string.h(4.93 KB)
ðŸ“„ random.h(171.14 KB)
ðŸ“„ random.tcc(103.12 KB)
ðŸ“„ range_access.h(9.79 KB)
ðŸ“„ refwrap.h(11.61 KB)
ðŸ“„ regex.h(95.12 KB)
ðŸ“„ regex.tcc(16.18 KB)
ðŸ“„ regex_automaton.h(10.47 KB)
ðŸ“„ regex_automaton.tcc(7.65 KB)
ðŸ“„ regex_compiler.h(17.63 KB)
ðŸ“„ regex_compiler.tcc(18.84 KB)
ðŸ“„ regex_constants.h(14.36 KB)
ðŸ“„ regex_error.h(4.79 KB)
ðŸ“„ regex_executor.h(7.31 KB)
ðŸ“„ regex_executor.tcc(18.4 KB)
ðŸ“„ regex_scanner.h(6.92 KB)
ðŸ“„ regex_scanner.tcc(14.66 KB)
ðŸ“„ shared_ptr.h(22.88 KB)
ðŸ“„ shared_ptr_atomic.h(9.54 KB)
ðŸ“„ shared_ptr_base.h(53.01 KB)
ðŸ“„ slice_array.h(9.13 KB)
ðŸ“„ specfun.h(45.95 KB)
ðŸ“„ sstream.tcc(9.9 KB)
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)
ðŸ“„ stl_numeric.h(13.51 KB)
ðŸ“„ stl_pair.h(18.21 KB)
ðŸ“„ stl_queue.h(23.51 KB)
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)
ðŸ“„ stream_iterator.h(6.5 KB)
ðŸ“„ streambuf.tcc(4.81 KB)
ðŸ“„ streambuf_iterator.h(13.44 KB)
ðŸ“„ string_view.tcc(6.54 KB)
ðŸ“„ stringfwd.h(2.55 KB)
ðŸ“„ uniform_int_dist.h(9.84 KB)
ðŸ“„ unique_ptr.h(25.38 KB)
ðŸ“„ unordered_map.h(73.58 KB)
ðŸ“„ unordered_set.h(57.76 KB)
ðŸ“„ uses_allocator.h(6.37 KB)
ðŸ“„ valarray_after.h(22.12 KB)
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: ptr_traits.h

// Pointer Traits -*- C++ -*-

// Copyright (C) 2011-2018 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/>.

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

#ifndef _PTR_TRAITS_H
#define _PTR_TRAITS_H 1

#if __cplusplus >= 201103L

#include <bits/move.h>

#if __cplusplus > 201703L
namespace __gnu_debug { struct _Safe_iterator_base; }
#endif

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

class __undefined;

// Given Template<T, ...> return T, otherwise invalid.
  template<typename _Tp>
    struct __get_first_arg
    { using type = __undefined; };

template<template<typename, typename...> class _Template, typename _Tp,
           typename... _Types>
    struct __get_first_arg<_Template<_Tp, _Types...>>
    { using type = _Tp; };

template<typename _Tp>
    using __get_first_arg_t = typename __get_first_arg<_Tp>::type;

// Given Template<T, ...> and U return Template<U, ...>, otherwise invalid.
  template<typename _Tp, typename _Up>
    struct __replace_first_arg
    { };

template<template<typename, typename...> class _Template, typename _Up,
           typename _Tp, typename... _Types>
    struct __replace_first_arg<_Template<_Tp, _Types...>, _Up>
    { using type = _Template<_Up, _Types...>; };

template<typename _Tp, typename _Up>
    using __replace_first_arg_t = typename __replace_first_arg<_Tp, _Up>::type;

template<typename _Tp>
    using __make_not_void
      = typename conditional<is_void<_Tp>::value, __undefined, _Tp>::type;

/**
   * @brief  Uniform interface to all pointer-like types
   * @ingroup pointer_abstractions
  */
  template<typename _Ptr>
    struct pointer_traits
    {
    private:
      template<typename _Tp>
	using __element_type = typename _Tp::element_type;

template<typename _Tp>
	using __difference_type = typename _Tp::difference_type;

template<typename _Tp, typename _Up, typename = void>
	struct __rebind : __replace_first_arg<_Tp, _Up> { };

template<typename _Tp, typename _Up>
	struct __rebind<_Tp, _Up, __void_t<typename _Tp::template rebind<_Up>>>
	{ using type = typename _Tp::template rebind<_Up>; };

public:
      /// The pointer type.
      using pointer = _Ptr;

/// The type pointed to.
      using element_type
	= __detected_or_t<__get_first_arg_t<_Ptr>, __element_type, _Ptr>;

/// The type used to represent the difference between two pointers.
      using difference_type
	= __detected_or_t<ptrdiff_t, __difference_type, _Ptr>;

/// A pointer to a different type.
      template<typename _Up>
        using rebind = typename __rebind<_Ptr, _Up>::type;

static _Ptr
      pointer_to(__make_not_void<element_type>& __e)
      { return _Ptr::pointer_to(__e); }

static_assert(!is_same<element_type, __undefined>::value,
	  "pointer type defines element_type or is like SomePointer<T, Args>");
    };

/**
   * @brief  Partial specialization for built-in pointers.
   * @ingroup pointer_abstractions
  */
  template<typename _Tp>
    struct pointer_traits<_Tp*>
    {
      /// The pointer type
      typedef _Tp* pointer;
      /// The type pointed to
      typedef _Tp  element_type;
      /// Type used to represent the difference between two pointers
      typedef ptrdiff_t difference_type;

template<typename _Up>
        using rebind = _Up*;

/**
       *  @brief  Obtain a pointer to an object
       *  @param  __r  A reference to an object of type @c element_type
       *  @return @c addressof(__r)
      */
      static pointer
      pointer_to(__make_not_void<element_type>& __r) noexcept
      { return std::addressof(__r); }
    };

/// Convenience alias for rebinding pointers.
  template<typename _Ptr, typename _Tp>
    using __ptr_rebind = typename pointer_traits<_Ptr>::template rebind<_Tp>;

template<typename _Tp>
    constexpr _Tp*
    __to_address(_Tp* __ptr) noexcept
    {
      static_assert(!std::is_function<_Tp>::value, "not a function pointer");
      return __ptr;
    }

#if __cplusplus <= 201703L
  template<typename _Ptr>
    constexpr typename std::pointer_traits<_Ptr>::element_type*
    __to_address(const _Ptr& __ptr)
    { return std::__to_address(__ptr.operator->()); }
#else
  template<typename _Ptr>
    constexpr auto
    __to_address(const _Ptr& __ptr) noexcept
    -> decltype(std::pointer_traits<_Ptr>::to_address(__ptr))
    { return std::pointer_traits<_Ptr>::to_address(__ptr); }

template<typename _Ptr, typename... _None>
    constexpr auto
    __to_address(const _Ptr& __ptr, _None...) noexcept
    {
      if constexpr (is_base_of_v<__gnu_debug::_Safe_iterator_base, _Ptr>)
	return std::__to_address(__ptr.base().operator->());
      else
	return std::__to_address(__ptr.operator->());
    }

/**
   * @brief Obtain address referenced by a pointer to an object
   * @param __ptr A pointer to an object
   * @return @c __ptr
   * @ingroup pointer_abstractions
  */
  template<typename _Tp>
    constexpr _Tp*
    to_address(_Tp* __ptr) noexcept
    { return std::__to_address(__ptr); }

/**
   * @brief Obtain address referenced by a pointer to an object
   * @param __ptr A pointer to an object
   * @return @c pointer_traits<_Ptr>::to_address(__ptr) if that expression is
             well-formed, otherwise @c to_address(__ptr.operator->())
   * @ingroup pointer_abstractions
  */
  template<typename _Ptr>
    constexpr auto
    to_address(const _Ptr& __ptr) noexcept
    { return std::__to_address(__ptr); }
#endif // C++2a

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif

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