FM / bits

/usr/include/c++/11/bits

Name	Size	Mode	Actions
algorithmfwd.h	24547	0644	edit dl rm
align.h	3711	0644	edit dl rm
allocated_ptr.h	3329	0644	edit dl rm
allocator.h	9737	0644	edit dl rm
alloc_traits.h	27632	0644	edit dl rm
atomic_base.h	57414	0644	edit dl rm
atomic_futex.h	12394	0644	edit dl rm
atomic_lockfree_defines.h	2353	0644	edit dl rm
atomic_timed_wait.h	13530	0644	edit dl rm
atomic_wait.h	12557	0644	edit dl rm
basic_ios.h	16080	0644	edit dl rm
basic_ios.tcc	6083	0644	edit dl rm
basic_string.h	251944	0644	edit dl rm
basic_string.tcc	54189	0644	edit dl rm
boost_concept_check.h	27182	0644	edit dl rm
c++0x_warning.h	1474	0644	edit dl rm
charconv.h	3435	0644	edit dl rm
char_traits.h	29350	0644	edit dl rm
codecvt.h	25500	0644	edit dl rm
concept_check.h	3423	0644	edit dl rm
cpp_type_traits.h	14003	0644	edit dl rm
cxxabi_forced.h	1811	0644	edit dl rm
cxxabi_init_exception.h	2220	0644	edit dl rm
deque.tcc	42361	0644	edit dl rm
enable_special_members.h	12452	0644	edit dl rm
erase_if.h	2066	0644	edit dl rm
exception.h	2504	0644	edit dl rm
exception_defines.h	1645	0644	edit dl rm
exception_ptr.h	7640	0644	edit dl rm
forward_list.h	50387	0644	edit dl rm
forward_list.tcc	14035	0644	edit dl rm
fstream.tcc	33672	0644	edit dl rm
fs_dir.h	16409	0644	edit dl rm
fs_fwd.h	10771	0644	edit dl rm
fs_ops.h	10739	0644	edit dl rm
fs_path.h	39745	0644	edit dl rm
functexcept.h	3509	0644	edit dl rm
functional_hash.h	8591	0644	edit dl rm
gslice.h	5519	0644	edit dl rm
gslice_array.h	7892	0644	edit dl rm
hashtable.h	84951	0644	edit dl rm
hashtable_policy.h	62156	0644	edit dl rm
hash_bytes.h	2146	0644	edit dl rm
indirect_array.h	7902	0644	edit dl rm
invoke.h	6059	0644	edit dl rm
ios_base.h	31934	0644	edit dl rm
istream.tcc	31595	0644	edit dl rm
iterator_concepts.h	33335	0644	edit dl rm
list.tcc	17201	0644	edit dl rm
localefwd.h	5943	0644	edit dl rm
locale_classes.h	25044	0644	edit dl rm
locale_classes.tcc	8375	0644	edit dl rm
locale_conv.h	18822	0644	edit dl rm
locale_facets.h	93655	0644	edit dl rm
locale_facets.tcc	40463	0644	edit dl rm
locale_facets_nonio.h	69704	0644	edit dl rm
locale_facets_nonio.tcc	47533	0644	edit dl rm
mask_array.h	7716	0644	edit dl rm
max_size_type.h	22715	0644	edit dl rm
memoryfwd.h	2504	0644	edit dl rm
move.h	6798	0644	edit dl rm
nested_exception.h	4887	0644	edit dl rm
node_handle.h	10920	0644	edit dl rm
ostream.tcc	12315	0644	edit dl rm
ostream_insert.h	4038	0644	edit dl rm
parse_numbers.h	7980	0644	edit dl rm
postypes.h	8465	0644	edit dl rm
predefined_ops.h	10177	0644	edit dl rm
ptr_traits.h	6708	0644	edit dl rm
quoted_string.h	5053	0644	edit dl rm
random.h	178359	0644	edit dl rm
random.tcc	105688	0644	edit dl rm
ranges_algo.h	116831	0644	edit dl rm
ranges_algobase.h	18871	0644	edit dl rm
ranges_base.h	24392	0644	edit dl rm
ranges_cmp.h	6017	0644	edit dl rm
ranges_uninitialized.h	18130	0644	edit dl rm
ranges_util.h	20591	0644	edit dl rm
range_access.h	10707	0644	edit dl rm
refwrap.h	13208	0644	edit dl rm
regex.h	103969	0644	edit dl rm
regex.tcc	16492	0644	edit dl rm
regex_automaton.h	10788	0644	edit dl rm
regex_automaton.tcc	7722	0644	edit dl rm
regex_compiler.h	16219	0644	edit dl rm
regex_compiler.tcc	19158	0644	edit dl rm
regex_constants.h	15549	0644	edit dl rm
regex_error.h	5015	0644	edit dl rm
regex_executor.h	8852	0644	edit dl rm
regex_executor.tcc	18837	0644	edit dl rm
regex_scanner.h	7047	0644	edit dl rm
regex_scanner.tcc	15249	0644	edit dl rm
semaphore_base.h	7936	0644	edit dl rm
shared_ptr.h	30981	0644	edit dl rm
shared_ptr_atomic.h	9874	0644	edit dl rm
shared_ptr_base.h	54907	0644	edit dl rm
slice_array.h	9619	0644	edit dl rm
specfun.h	47240	0644	edit dl rm
sstream.tcc	10148	0644	edit dl rm
std_abs.h	3384	0644	edit dl rm
std_function.h	22863	0644	edit dl rm
std_mutex.h	6443	0644	edit dl rm
std_thread.h	8589	0644	edit dl rm
stl_algo.h	214703	0644	edit dl rm
stl_algobase.h	76254	0644	edit dl rm
stl_bvector.h	35574	0644	edit dl rm
stl_construct.h	8800	0644	edit dl rm
stl_deque.h	76970	0644	edit dl rm
stl_function.h	43897	0644	edit dl rm
stl_heap.h	20756	0644	edit dl rm
stl_iterator.h	78851	0644	edit dl rm
stl_iterator_base_funcs.h	8178	0644	edit dl rm
stl_iterator_base_types.h	9662	0644	edit dl rm
stl_list.h	69779	0644	edit dl rm
stl_map.h	54693	0644	edit dl rm
stl_multimap.h	43534	0644	edit dl rm
stl_multiset.h	37675	0644	edit dl rm
stl_numeric.h	14601	0644	edit dl rm
stl_pair.h	20135	0644	edit dl rm
stl_queue.h	25036	0644	edit dl rm
stl_raw_storage_iter.h	3830	0644	edit dl rm
stl_relops.h	4594	0644	edit dl rm
stl_set.h	37939	0644	edit dl rm
stl_stack.h	12684	0644	edit dl rm
stl_tempbuf.h	8655	0644	edit dl rm
stl_tree.h	73922	0644	edit dl rm
stl_uninitialized.h	34013	0644	edit dl rm
stl_vector.h	65919	0644	edit dl rm
streambuf.tcc	4929	0644	edit dl rm
streambuf_iterator.h	15532	0644	edit dl rm
stream_iterator.h	7697	0644	edit dl rm
stringfwd.h	2690	0644	edit dl rm
string_view.tcc	7167	0644	edit dl rm
this_thread_sleep.h	3307	0644	edit dl rm
uniform_int_dist.h	13052	0644	edit dl rm
unique_lock.h	6143	0644	edit dl rm
unique_ptr.h	32537	0644	edit dl rm
unordered_map.h	76669	0644	edit dl rm
unordered_set.h	62934	0644	edit dl rm
uses_allocator.h	6906	0644	edit dl rm
uses_allocator_args.h	7562	0644	edit dl rm
valarray_after.h	23283	0644	edit dl rm
valarray_array.h	21295	0644	edit dl rm
valarray_array.tcc	7254	0644	edit dl rm
valarray_before.h	19142	0644	edit dl rm
vector.tcc	30985	0644	edit dl rm

Edit: /usr/include/c++/11/bits/range_access.h (10707B)

// Range access functions for containers -*- C++ -*-

// Copyright (C) 2010-2021 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/range_access.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{iterator}
 */

#ifndef _GLIBCXX_RANGE_ACCESS_H
#define _GLIBCXX_RANGE_ACCESS_H 1

#pragma GCC system_header

#if __cplusplus >= 201103L
#include <initializer_list>
#include <type_traits>	    // common_type_t, make_signed_t
#include <bits/stl_iterator.h> // reverse_iterator

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

/**
   *  @brief  Return an iterator pointing to the first element of
   *          the container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    begin(_Container& __cont) -> decltype(__cont.begin())
    { return __cont.begin(); }

/**
   *  @brief  Return an iterator pointing to the first element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    begin(const _Container& __cont) -> decltype(__cont.begin())
    { return __cont.begin(); }

/**
   *  @brief  Return an iterator pointing to one past the last element of
   *          the container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    end(_Container& __cont) -> decltype(__cont.end())
    { return __cont.end(); }

/**
   *  @brief  Return an iterator pointing to one past the last element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    end(const _Container& __cont) -> decltype(__cont.end())
    { return __cont.end(); }

/**
   *  @brief  Return an iterator pointing to the first element of the array.
   *  @param  __arr  Array.
   */
  template<typename _Tp, size_t _Nm>
    inline _GLIBCXX14_CONSTEXPR _Tp*
    begin(_Tp (&__arr)[_Nm]) noexcept
    { return __arr; }

/**
   *  @brief  Return an iterator pointing to one past the last element
   *          of the array.
   *  @param  __arr  Array.
   */
  template<typename _Tp, size_t _Nm>
    inline _GLIBCXX14_CONSTEXPR _Tp*
    end(_Tp (&__arr)[_Nm]) noexcept
    { return __arr + _Nm; }

#if __cplusplus >= 201402L

template<typename _Tp> class valarray;
  // These overloads must be declared for cbegin and cend to use them.
  template<typename _Tp> _Tp* begin(valarray<_Tp>&) noexcept;
  template<typename _Tp> const _Tp* begin(const valarray<_Tp>&) noexcept;
  template<typename _Tp> _Tp* end(valarray<_Tp>&) noexcept;
  template<typename _Tp> const _Tp* end(const valarray<_Tp>&) noexcept;

/**
   *  @brief  Return an iterator pointing to the first element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline constexpr auto
    cbegin(const _Container& __cont) noexcept(noexcept(std::begin(__cont)))
      -> decltype(std::begin(__cont))
    { return std::begin(__cont); }

/**
   *  @brief  Return an iterator pointing to one past the last element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline constexpr auto
    cend(const _Container& __cont) noexcept(noexcept(std::end(__cont)))
      -> decltype(std::end(__cont))
    { return std::end(__cont); }

/**
   *  @brief  Return a reverse iterator pointing to the last element of
   *          the container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    rbegin(_Container& __cont) -> decltype(__cont.rbegin())
    { return __cont.rbegin(); }

/**
   *  @brief  Return a reverse iterator pointing to the last element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    rbegin(const _Container& __cont) -> decltype(__cont.rbegin())
    { return __cont.rbegin(); }

/**
   *  @brief  Return a reverse iterator pointing one past the first element of
   *          the container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    rend(_Container& __cont) -> decltype(__cont.rend())
    { return __cont.rend(); }

/**
   *  @brief  Return a reverse iterator pointing one past the first element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    rend(const _Container& __cont) -> decltype(__cont.rend())
    { return __cont.rend(); }

/**
   *  @brief  Return a reverse iterator pointing to the last element of
   *          the array.
   *  @param  __arr  Array.
   */
  template<typename _Tp, size_t _Nm>
    inline _GLIBCXX17_CONSTEXPR reverse_iterator<_Tp*>
    rbegin(_Tp (&__arr)[_Nm]) noexcept
    { return reverse_iterator<_Tp*>(__arr + _Nm); }

/**
   *  @brief  Return a reverse iterator pointing one past the first element of
   *          the array.
   *  @param  __arr  Array.
   */
  template<typename _Tp, size_t _Nm>
    inline _GLIBCXX17_CONSTEXPR reverse_iterator<_Tp*>
    rend(_Tp (&__arr)[_Nm]) noexcept
    { return reverse_iterator<_Tp*>(__arr); }

/**
   *  @brief  Return a reverse iterator pointing to the last element of
   *          the initializer_list.
   *  @param  __il  initializer_list.
   */
  template<typename _Tp>
    inline _GLIBCXX17_CONSTEXPR reverse_iterator<const _Tp*>
    rbegin(initializer_list<_Tp> __il) noexcept
    { return reverse_iterator<const _Tp*>(__il.end()); }

/**
   *  @brief  Return a reverse iterator pointing one past the first element of
   *          the initializer_list.
   *  @param  __il  initializer_list.
   */
  template<typename _Tp>
    inline _GLIBCXX17_CONSTEXPR reverse_iterator<const _Tp*>
    rend(initializer_list<_Tp> __il) noexcept
    { return reverse_iterator<const _Tp*>(__il.begin()); }

/**
   *  @brief  Return a reverse iterator pointing to the last element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    crbegin(const _Container& __cont) -> decltype(std::rbegin(__cont))
    { return std::rbegin(__cont); }

/**
   *  @brief  Return a reverse iterator pointing one past the first element of
   *          the const container.
   *  @param  __cont  Container.
   */
  template<typename _Container>
    inline _GLIBCXX17_CONSTEXPR auto
    crend(const _Container& __cont) -> decltype(std::rend(__cont))
    { return std::rend(__cont); }

#endif // C++14

#if __cplusplus >= 201703L
#define __cpp_lib_nonmember_container_access 201411

/**
   *  @brief  Return the size of a container.
   *  @param  __cont  Container.
   */
  template <typename _Container>
    constexpr auto
    size(const _Container& __cont) noexcept(noexcept(__cont.size()))
    -> decltype(__cont.size())
    { return __cont.size(); }

/**
   *  @brief  Return the size of an array.
   */
  template <typename _Tp, size_t _Nm>
    constexpr size_t
    size(const _Tp (&)[_Nm]) noexcept
    { return _Nm; }

/**
   *  @brief  Return whether a container is empty.
   *  @param  __cont  Container.
   */
  template <typename _Container>
    [[nodiscard]] constexpr auto
    empty(const _Container& __cont) noexcept(noexcept(__cont.empty()))
    -> decltype(__cont.empty())
    { return __cont.empty(); }

/**
   *  @brief  Return whether an array is empty (always false).
   */
  template <typename _Tp, size_t _Nm>
    [[nodiscard]] constexpr bool
    empty(const _Tp (&)[_Nm]) noexcept
    { return false; }

/**
   *  @brief  Return whether an initializer_list is empty.
   *  @param  __il  Initializer list.
   */
  template <typename _Tp>
    [[nodiscard]] constexpr bool
    empty(initializer_list<_Tp> __il) noexcept
    { return __il.size() == 0;}

/**
   *  @brief  Return the data pointer of a container.
   *  @param  __cont  Container.
   */
  template <typename _Container>
    constexpr auto
    data(_Container& __cont) noexcept(noexcept(__cont.data()))
    -> decltype(__cont.data())
    { return __cont.data(); }

/**
   *  @brief  Return the data pointer of a const container.
   *  @param  __cont  Container.
   */
  template <typename _Container>
    constexpr auto
    data(const _Container& __cont) noexcept(noexcept(__cont.data()))
    -> decltype(__cont.data())
    { return __cont.data(); }

/**
   *  @brief  Return the data pointer of an array.
   *  @param  __array  Array.
   */
  template <typename _Tp, size_t _Nm>
    constexpr _Tp*
    data(_Tp (&__array)[_Nm]) noexcept
    { return __array; }

/**
   *  @brief  Return the data pointer of an initializer list.
   *  @param  __il  Initializer list.
   */
  template <typename _Tp>
    constexpr const _Tp*
    data(initializer_list<_Tp> __il) noexcept
    { return __il.begin(); }

#if __cplusplus > 201703L
#define __cpp_lib_ssize 201902L
  template<typename _Container>
    constexpr auto
    ssize(const _Container& __cont)
    noexcept(noexcept(__cont.size()))
    -> common_type_t<ptrdiff_t, make_signed_t<decltype(__cont.size())>>
    {
      using type = make_signed_t<decltype(__cont.size())>;
      return static_cast<common_type_t<ptrdiff_t, type>>(__cont.size());
    }

template<typename _Tp, ptrdiff_t _Num>
    constexpr ptrdiff_t
    ssize(const _Tp (&)[_Num]) noexcept
    { return _Num; }
#endif // C++20

#endif // C++17
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace

#endif // C++11
#endif // _GLIBCXX_RANGE_ACCESS_H

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