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C++_Ranges_library/C++_Ranges_library_68_3.txt
gument is an lvalue (i.e. ` T ` is an lvalue reference type), * const T otherwise. A call to ` ranges::cbegin ` is [ expression-equivalent ](/w/cpp/language/expressions#Expression-equivalence "cpp/language/expressions") to [ ranges:: begin ](http://en.cppreference.com/w/cpp/ranges-ranges-placeholder/begin) ( ...
C++_Ranges_library/C++_Ranges_library_153_23.txt
](/w/cpp/memory/shared_ptr/make_shared "cpp/memory/shared ptr/make shared") | 201707L | [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") | (C++20) | [ P0674R1 ](https://wg21.link/P0674R1) ` __cpp_lib_shared_ptr_weak_type ` | [ ` shared_ptr::weak_type ` ](/w/cpp/memory/shared_ptr "cpp/memory/shared pt...
C++_Ranges_library/C++_Ranges_library_56_6.txt
ty/any/bad any cast") (since C++17) [ ` bad_array_new_length ` ](/w/cpp/memory/new/bad_array_new_length "cpp/memory/new/bad array new length") (since C++11) [ ` bad_cast ` ](/w/cpp/types/bad_cast "cpp/types/bad cast") [ ` bad_exception ` ](/w/cpp/error/bad_exception "cpp/error/bad exception") [ ` bad_expected_a...
C++_Ranges_library/C++_Ranges_library_74_9.txt
ion ](/mwiki/index.php?title=cpp/coroutine/generator&action=info) * In other languages * [ Español ](http://es.cppreference.com/w/cpp/coroutine/generator "cpp/coroutine/generator") * [ 日本語 ](http://ja.cppreference.com/w/cpp/coroutine/generator "cpp/coroutine/generator") * [ Русский ](http://ru.cppreference.c...
C++_Ranges_library/C++_Ranges_library_61_3.txt
models ` range ` only if * ` [ ` [ ranges:: begin ](http://en.cppreference.com/w/cpp/ranges-ranges-placeholder/begin) ( E ) ` , ` [ ranges:: end ](http://en.cppreference.com/w/cpp/ranges-ranges-placeholder/end) ( E ) ` ) ` denotes a [ range ](/w/cpp/iterator#Ranges "cpp/iterator") , and * both [ ranges...
C++_Ranges_library/C++_Ranges_library_23_13.txt
lib_ranges_to_container ` ](/w/cpp/feature_test#cpp_lib_ranges_to_container "cpp/feature test") | 202202L | (C++23) | std::ranges::to [ ` __cpp_lib_ranges_zip ` ](/w/cpp/feature_test#cpp_lib_ranges_zip "cpp/feature test") | 202110L | (C++23) | std::ranges::zip_view , std::ranges::zip_transform_view , ...
C++_Ranges_library/C++_Ranges_library_59_22.txt
ized_sentinel_for<S, I> ? subrange_kind::sized : subrange_kind::unsized> requires (K == subrange_kind::sized || !sized_sentinel_for<S, I>) class subrange : public view_interface<subrange<I, S, K>> { private: static constexpr bool StoreSize = // exposition only ...
C++_Ranges_library/C++_Ranges_library_117_1.txt
cpp/ranges/iterator t") --- | [ iterator_t const_iterator_t sentinel_t const_sentinel_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23) (C++23) --- | [ range_const_reference_t range_rvalue_reference_t range_common_reference_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23) ...
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_27_0.txt
asked Sep 10, 2013 at 21:06 user2766546 user2766546
C++_Ranges_library/C++_Ranges_library_57_1.txt
` #elif ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") . It is treated as a defined macro by [ ` #ifdef ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") , [ ` #ifndef ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") , [ ` #elifdef ` ](/w/cpp/preprocessor/condi...
C++_Ranges_library/C++_Ranges_library_26_3.txt
erator_ :: _iterator_ ](/w/cpp/ranges/transform_view/iterator/iterator "cpp/ranges/transform view/iterator/iterator") [ transform_view:: _iterator_ ::base ](/w/cpp/ranges/transform_view/iterator/base "cpp/ranges/transform view/iterator/base") [ transform_view:: _iterator_ ::operator* ](/w/cpp/ranges/transform_view/...
C++_Ranges_library/C++_Ranges_library_97_1.txt
erence_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") --- | [ iterator_t const_iterator_t sentinel_t const_sentinel_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23) (C++23) --- | [ range_const_reference_t range_rvalue_reference_t range_common_reference_t ](/w/cpp/ranges/iterato...
C++_Ranges_library/C++_Ranges_library_31_38.txt
### Navigation * [ Support us ](http://www.cppreference.com/support) * [ Recent changes ](/w/Special:RecentChanges "A list of recent changes in the wiki \[r\]") * [ FAQ ](/w/Cppreference:FAQ) * [ Offline version ](/w/Cppreference:Archives) ##### Toolbox * [ What links here ](/w/Special:WhatLinksHere/cpp/...
C++_Ranges_library/C++_Ranges_library_128_14.txt
ru.cppreference.com/w/cpp/ranges "cpp/ranges") * [ 中文 ](http://zh.cppreference.com/w/cpp/ranges "cpp/ranges") * This page was last modified on 23 March 2024, at 06:26. * This page has been accessed 999,598 times. * [ Privacy policy ](/w/Cppreference:Privacy_policy "Cppreference:Privacy policy") * [ About ...
C++_Ranges_library/C++_Ranges_library_126_27.txt
rary # include <boost/optional.hpp> # else // Not found at all # error "Missing <optional>" # endif #endif   #ifdef __has_cpp_attribute // Check if __has_cpp_attribute is present # if __has_cpp_attribute(deprecated) ...
C++_Ranges_library/C++_Ranges_library_3_22.txt
https://wg21.link/P1206R7) ` __cpp_lib_ranges_zip ` | std::ranges::zip_view , std::ranges::zip_transform_view , std::ranges::adjacent_view , std::ranges::adjacent_transform_view | 202110L | [ ` <ranges> ` ](/w/cpp/header/ranges "cpp/header/ranges") [ ` <tuple> ` ](/w/cpp/header/tuple "cpp/header/tuple") [ ...
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_123_0.txt
1 My code fails to verify input as an integer
C++_Ranges_library/C++_Ranges_library_134_5.txt
ldid=158239) " ##### Navigation * [ Support us ](http://www.cppreference.com/support) * [ Recent changes ](/w/Special:RecentChanges "A list of recent changes in the wiki \[r\]") * [ FAQ ](/w/Cppreference:FAQ) * [ Offline version ](/w/Cppreference:Archives) ##### Toolbox * [ What links here ](/w/Special:...
C++_Ranges_library/C++_Ranges_library_117_5.txt
hp?title=Template:cpp/ranges/view_interface/dsc_empty&action=edit) [ cbegin ](/w/cpp/ranges/view_interface/cbegin "cpp/ranges/view interface/cbegin") (C++23) | returns a constant iterator to the beginning of the range. (public member function of ` std::ranges::view_interface<D> ` ) [ [edit] ](https://en.cppref...
C++_Ranges_library/C++_Ranges_library_64_13.txt
") | (C++20) | [ P1001R2 ](https://wg21.link/P1001R2) ` __cpp_lib_expected ` | class template std::expected | 202202L | [ ` <expected> ` ](/w/cpp/header/expected "cpp/header/expected") | (C++23) | [ P0323R12 ](https://wg21.link/P0323R12) Monadic functions for std::expected | 202211L | [ ` <expected...
C++_Ranges_library/C++_Ranges_library_32_16.txt
decltype(c.rbegin()); template<class C> constexpr auto rbegin(const C& c) -> decltype(c.rbegin()); template<class C> constexpr auto rend(C& c) -> decltype(c.rend()); template<class C> constexpr auto rend(const C& c) -> decltype(c.rend()); template<class T, size_t N> constexpr reverse_iterator<T...
C++_Ranges_library/C++_Ranges_library_73_32.txt
this_parameter) COMPILER_FEATURE_ENTRY(202106L, __cpp_if_consteval) COMPILER_FEATURE_ENTRY(202207L, __cpp_implicit_move) COMPILER_FEATURE_ENTRY(202211L, __cpp_multidimensional_subscript) COMPILER_FEATURE_ENTRY(202207L, __cpp_named_character_escapes) COMPILER_FEATURE_ENTRY(202211L...
C++_Ranges_library/C++_Ranges_library_64_4.txt
gory "cpp/language/value category") | 201606L | (C++17) | [ P0135R1 ](https://wg21.link/P0135R1) ` __cpp_hex_float ` | [ Hexadecimal floating literals ](/w/cpp/language/floating_literal "cpp/language/floating literal") | 201603L | (C++17) | [ P0245R1 ](https://wg21.link/P0245R1) ` __cpp_if_consteval ` | ...
C++_Ranges_library/C++_Ranges_library_90_2.txt
ges/lazy_split_view "cpp/ranges/lazy split view") [ split_view views::split ](/w/cpp/ranges/split_view "cpp/ranges/split view") ** views::counted ** [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ reverse_view views::reverse ](/w/cpp/ranges/reverse_view "cp...
C++_Ranges_library/C++_Ranges_library_2_9.txt
](/w/cpp/ranges/adjacent_view "cpp/ranges/adjacent view") (C++23) | a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") consisting of tuples of references to adjacent elements of the adapted view (class template) (range adaptor object) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/r...
C++_Ranges_library/C++_Ranges_library_91_10.txt
tle=Template:cpp/algorithm/ranges/dsc_fill_n&action=edit) [ generate ](/w/cpp/algorithm/generate "cpp/algorithm/generate") | assigns the results of successive function calls to every element in a range (function template) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/algorithm/dsc_ge...
C++_Ranges_library/C++_Ranges_library_78_2.txt
ion=edit&section=2 "Edit section: Library contents") ] Library contents The C++ standard library provides definitions for the [ entities ](/w/cpp/language/basic_concepts "cpp/language/basic concepts") and [ macros ](/w/cpp/preprocessor/replace "cpp/preprocessor/replace") described in the synopses of the [ C++ standar...
C++_Ranges_library/C++_Ranges_library_57_15.txt
| Freestanding std::mdspan | 202311L | [ ` <mdspan> ` ](/w/cpp/header/mdspan "cpp/header/mdspan") | (C++26) | [ P2833R2 ](https://wg21.link/P2833R2) ` __cpp_lib_freestanding_memory ` | Freestanding facilities in [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") | 202306L | [ ` <memory> ` ](/w/c...
C++_Ranges_library/C++_Ranges_library_86_0.txt
##### [ cppreference.com ](/) [ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Franges%2Frange+adaptor+closure "You are encouraged to log in; however, it is not mandatory \[o\]") ##### Namespaces * [ Page ](/w/cpp/ranges/range_adaptor_closure "View the content page \[c\]") * [ Discussion ](/mw...
C++_Ranges_library/C++_Ranges_library_58_5.txt
if it satisfies [ ` sized_range ` ](/w/cpp/ranges/sized_range "cpp/ranges/sized range") or [ ` forward_range ` ](/w/cpp/ranges/forward_range "cpp/ranges/forward range") . (public member function of ` std::ranges::view_interface<D> ` ) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/...
C++_Ranges_library/C++_Ranges_library_56_31.txt
emory/new/new_handler "cpp/memory/new/new handler") [ ` next<>() ` ](/w/cpp/iterator/next "cpp/iterator/next") (since C++11) [ ` next_permutation<>() ` ](/w/cpp/algorithm/next_permutation "cpp/algorithm/next permutation") [ ` nextafter() ` ](/w/cpp/numeric/math/nextafter "cpp/numeric/math/nextafter") (since C++11...
C++_Ranges_library/C++_Ranges_library_124_1.txt
p/language/expressions") ( [ precedence ](/w/cpp/language/operator_precedence "cpp/language/operator precedence") ) [ Conversions ](/w/cpp/language/expressions#Conversions "cpp/language/expressions") − [ Literals ](/w/cpp/language/expressions#Literals "cpp/language/expressions") [ Statements ](/w/cpp/language/state...
C++_Ranges_library/C++_Ranges_library_82_8.txt
e first N elements of a sequence (niebloid) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/algorithm/ranges/dsc_for_each_n&action=edit) [ ranges::count ranges::count_if ](/w/cpp/algorithm/ranges/count "cpp/algorithm/ranges/count") (C++20) (C++20) | returns the number of elements sa...
C++_Ranges_library/param-pack.html4_52_0.txt
Suppose you want to add two tuples, element by element. You could use two nested lambdas to expand the two tuples in succession, but this would be a bit awkward. Instead, you can use ` std::make_index_sequence ` to get the tuple indices, then use the indices in a pattern that accesses the elements of both tuples elemen...
C++_Ranges_library/C++_Ranges_library_63_6.txt
[ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_as_const_view&action=edit) Retrieved from " [ https://en.cppreference.com/mwiki/index.php?title=cpp/ranges/as_rvalue_view&oldid=159645 ](https://en.cppreference.com/mwiki/index.php?title=cpp/ranges/as_rvalue_view&oldid=159645) " ...
C++_Ranges_library/C++_Ranges_library_85_2.txt
with view") (C++23) (C++23) [ lazy_split_view views::lazy_split ](/w/cpp/ranges/lazy_split_view "cpp/ranges/lazy split view") [ split_view views::split ](/w/cpp/ranges/split_view "cpp/ranges/split view") [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common...
C++_Ranges_library/C++_Ranges_library_73_15.txt
| Freestanding std::mdspan | 202311L | [ ` <mdspan> ` ](/w/cpp/header/mdspan "cpp/header/mdspan") | (C++26) | [ P2833R2 ](https://wg21.link/P2833R2) ` __cpp_lib_freestanding_memory ` | Freestanding facilities in [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") | 202306L | [ ` <memory> ` ](/w/c...
C++_Ranges_library/C++_Ranges_library_34_9.txt
specifies that values may be moved from an [ ` indirectly_readable ` ](/w/cpp/iterator/indirectly_readable "cpp/iterator/indirectly readable") type to an [ ` indirectly_writable ` ](/w/cpp/iterator/indirectly_writable "cpp/iterator/indirectly writable") type and that the move may be performed via an intermediate object...
C++_Ranges_library/C++_Ranges_library_15_2.txt
ranges/split_view "cpp/ranges/split view") [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ reverse_view views::reverse ](/w/cpp/ranges/reverse_view "cpp/ranges/reverse view") --- [ as_...
C++_Ranges_library/C++_Ranges_library_30_3.txt
herwise. A call to ` ranges::cend ` is [ expression-equivalent ](/w/cpp/language/expressions#Expression-equivalence "cpp/language/expressions") to [ ranges:: end ](http://en.cppreference.com/w/cpp/ranges-ranges-placeholder/end) ( static_cast < CT && > ( t ) ) . | (until C++23) ---|--- If the argument...
C++_Ranges_library/C++_Ranges_library_88_14.txt
ru.cppreference.com/w/cpp/ranges "cpp/ranges") * [ 中文 ](http://zh.cppreference.com/w/cpp/ranges "cpp/ranges") * This page was last modified on 23 March 2024, at 06:26. * This page has been accessed 999,598 times. * [ Privacy policy ](/w/Cppreference:Privacy_policy "Cppreference:Privacy policy") * [ About ...
C++_Ranges_library/C++_Ranges_library_34_10.txt
wiki/index.php?title=Template:cpp/iterator/dsc_projected&action=edit) [ projected_value_t ](/w/cpp/iterator/projected_value_t "cpp/iterator/projected value t") (C++26) | computes the value type of an [ ` indirectly_readable ` ](/w/cpp/iterator/indirectly_readable "cpp/iterator/indirectly readable") type by project...
C++_Ranges_library/C++_Ranges_library_23_11.txt
> ) return const_cast < const R & > ( r ) ; else return r ; } | (1) | ( exposition only* ) ---|---|--- template < class T > constexpr auto /* as-const-pointer */ ( const T * p ) noexcept { return p ; } | (2) | ( exposition only* ) | | Some range access ...
C++_Ranges_library/C++_Ranges_library_14_3.txt
mplate:cpp/locale/dsc_ctype_char&action=edit) [ codecvt ](/w/cpp/locale/codecvt "cpp/locale/codecvt") | converts between character encodings, including UTF-8, UTF-16, UTF-32 (class template) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/locale/dsc_codecvt&action=edit) [ codecvt_byn...
C++_Ranges_library/C++_Ranges_library_67_9.txt
](/w/cpp/ranges/adjacent_view "cpp/ranges/adjacent view") (C++23) | a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") consisting of tuples of references to adjacent elements of the adapted view (class template) (range adaptor object) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/r...
C++_Ranges_library/C++_Ranges_library_11_26.txt
](/w/cpp/header/tuple "cpp/header/tuple") [ ` <utility> ` ](/w/cpp/header/utility "cpp/header/utility") | (C++14) | [ N3670 ](https://wg21.link/N3670) ` __cpp_lib_type_identity ` | std::type_identity | 201806L | [ ` <type_traits> ` ](/w/cpp/header/type_traits "cpp/header/type traits") | (C++20) | [ P0887R1...
C++_Ranges_library/C++_Ranges_library_57_31.txt
01907L, __cpp_lib_barrier) COMPILER_FEATURE_ENTRY(201907L, __cpp_lib_bind_front) COMPILER_FEATURE_ENTRY(201806L, __cpp_lib_bit_cast) COMPILER_FEATURE_ENTRY(201907L, __cpp_lib_bitops) COMPILER_FEATURE_ENTRY(201902L, __cpp_lib_bounded_array_traits) COMPILER_FEATURE_ENTRY(201907L, _...
C++_Ranges_library/C++_Ranges_library_70_1.txt
` #elif ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") . It is treated as a defined macro by [ ` #ifdef ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") , [ ` #ifndef ` ](/w/cpp/preprocessor/conditional "cpp/preprocessor/conditional") , [ ` #elifdef ` ](/w/cpp/preprocessor/condi...
C++_Ranges_library/C++_Ranges_library_64_34.txt
COMPILER_FEATURE_ENTRY(202306L, __cpp_lib_not_fn) COMPILER_FEATURE_ENTRY(202311L, __cpp_lib_out_ptr) COMPILER_FEATURE_ENTRY(202311L, __cpp_lib_ranges_as_const) COMPILER_FEATURE_ENTRY(202306L, __cpp_lib_ratio) COMPILER_FEATURE_ENTRY(202306L, __cpp_lib_rcu) COMPILER_FEATURE...
C++_Ranges_library/C++_Ranges_library_64_0.txt
##### [ cppreference.com ](/) [ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Ffeature+test "You are encouraged to log in; however, it is not mandatory \[o\]") ##### Namespaces * [ Page ](/w/cpp/feature_test "View the content page \[c\]") * [ Discussion ](/w/Talk:cpp/feature_test "Discussion ...
C++_Ranges_library/C++_Ranges_library_109_38.txt
### Navigation * [ Support us ](http://www.cppreference.com/support) * [ Recent changes ](/w/Special:RecentChanges "A list of recent changes in the wiki \[r\]") * [ FAQ ](/w/Cppreference:FAQ) * [ Offline version ](/w/Cppreference:Archives) ##### Toolbox * [ What links here ](/w/Special:WhatLinksHere/cpp/...
C++_Ranges_library/C++_Ranges_library_23_2.txt
counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ reverse_view views::reverse ](/w/cpp/ranges/reverse_view "cpp/ranges/reverse view") --- [ as_const_view views::as_const ](/w/cpp/ranges/as_const_...
C++_Ranges_library/C++_Ranges_library_130_23.txt
](/w/cpp/memory/shared_ptr/make_shared "cpp/memory/shared ptr/make shared") | 201707L | [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") | (C++20) | [ P0674R1 ](https://wg21.link/P0674R1) ` __cpp_lib_shared_ptr_weak_type ` | [ ` shared_ptr::weak_type ` ](/w/cpp/memory/shared_ptr "cpp/memory/shared pt...
C++_Ranges_library/C++_Ranges_library_56_34.txt
since C++11) [ ` ratio_equal ` ](/w/cpp/numeric/ratio/ratio_equal "cpp/numeric/ratio/ratio equal") <> (since C++11) [ ` ratio_equal_v ` ](/w/cpp/numeric/ratio/ratio_equal "cpp/numeric/ratio/ratio equal") <> (since C++17) [ ` ratio_greater ` ](/w/cpp/numeric/ratio/ratio_greater "cpp/numeric/ratio/ratio greater") <...
C++_Ranges_library/C++_Ranges_library_3_10.txt
](https://wg21.link/P2592R3) ` __cpp_lib_chrono_udls ` | [ User-defined literals for time types ](/w/cpp/chrono/duration#Literals "cpp/chrono/duration") | 201304L | [ ` <chrono> ` ](/w/cpp/header/chrono "cpp/header/chrono") | (C++14) | [ N3642 ](https://wg21.link/N3642) ` __cpp_lib_clamp ` | [ std::clamp ]...
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_87_0.txt
Add a comment | 0
C++_Ranges_library/C++_Ranges_library_3_3.txt
https://wg21.link/P1668R1) Changing the active member of a union in constant evaluation | 202002L | (C++20) | [ P1330R0 ](https://wg21.link/P1330R0) [ P2493R0 ](https://wg21.link/P2493R0) Non- [ literal ](/w/cpp/named_req/LiteralType "cpp/named req/LiteralType") variables, labels, and [ ` goto ` ](/w/cpp/l...
C++_Ranges_library/C++_Ranges_library_85_7.txt
alues_view "cpp/ranges/values view") (C++20) | takes a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") consisting of pair-like values and produces a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") of the second elements of each pair (class template) (range adaptor object) [ [edit] ](https://en.cppreference...
C++_Ranges_library/C++_Ranges_library_95_36.txt
or/end)(cxx11_core), add); if (print.cxx98) [std::for_each](http://en.cppreference.com/w/cpp/algorithm/for_each)([std::begin](http://en.cppreference.com/w/cpp/iterator/begin)(cxx98_core), [std::end](http://en.cppreference.com/w/cpp/iterator/end)(cxx98_core), add); [std::snprintf](http://en.cppre...
C++_Ranges_library/C++_Ranges_library_40_6.txt
er the derived view is empty. Provided if it satisfies [ ` sized_range ` ](/w/cpp/ranges/sized_range "cpp/ranges/sized range") or [ ` forward_range ` ](/w/cpp/ranges/forward_range "cpp/ranges/forward range") . (public member function of ` std::ranges::view_interface<D> ` ) [ [edit] ](https://en.cppreference.com/mwi...
C++_Ranges_library/param-pack.html4_73_0.txt
* When you take a reference type ` TR ` and add an rvalue reference, you get back ` TR ` , meaning ` TR&& ` and ` TR ` are always the same type for a reference. When you add an lvalue reference to reference type ` TR ` , you always get back an lvalue reference, meaning ` TR& ` is always the same as ` std::remove_refe...
C++_Ranges_library/param-pack.html4_40_0.txt
The most basic variadic template idiom, probably already known to most people reading this blog post, is to iterate over the argument list recursively, using function overloading to differentiate the base case (no arguments) from the recursive case (one or more). A silly example: inline void printall...
C++_Ranges_library/C++_Ranges_library_82_9.txt
hether a range starts with another range (niebloid) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/algorithm/ranges/dsc_starts_with&action=edit) [ ranges::ends_with ](/w/cpp/algorithm/ranges/ends_with "cpp/algorithm/ranges/ends with") (C++23) | checks whether a range ends with anothe...
C++_Ranges_library/C++_Ranges_library_152_2.txt
/ranges/lazy_split_view "cpp/ranges/lazy split view") [ split_view views::split ](/w/cpp/ranges/split_view "cpp/ranges/split view") [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ revers...
C++_Ranges_library/C++_Ranges_library_51_7.txt
[ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_owning_view&action=edit) [ ranges::filter_view views::filter ](/w/cpp/ranges/filter_view "cpp/ranges/filter view") (C++20) | a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") that consists of the elements of a [ ` range ` ](...
C++_Ranges_library/C++_Ranges_library_10_16.txt
h range") [ | ` push_range ` --- ](/w/cpp/container/queue/push_range "cpp/container/queue/push range") [ | ` push_range ` --- ](/w/cpp/container/priority_queue/push_range "cpp/container/priority queue/push range") | | | | | ` append_range ` --- | ` emplace_back ` --- | | [ | ` emplace_back ...
C++_Ranges_library/C++_Ranges_library_143_4.txt
io ` ](/w/cpp/feature_test#cpp_lib_freestanding_ratio "cpp/feature test") | 202306L | (C++26) | freestanding [ ` <ratio> ` ](/w/cpp/header/ratio "cpp/header/ratio") [ ` __cpp_lib_freestanding_string_view ` ](/w/cpp/feature_test#cpp_lib_freestanding_string_view "cpp/feature test") | 202311L | (C++26) | frees...
C++_Ranges_library/C++_Ranges_library_32_1.txt
tjmp> ` ](/w/cpp/header/csetjmp "cpp/header/csetjmp") [ ` <cstdarg> ` ](/w/cpp/header/cstdarg "cpp/header/cstdarg") Concepts [ ` <concepts> ` ](/w/cpp/header/concepts "cpp/header/concepts") (C++20) Diagnostics | [ ` <stdexcept> ` ](/w/cpp/header/stdexcept "cpp/header/stdexcept") --- [ ` <stacktr...
C++_Ranges_library/C++_Ranges_library_110_14.txt
ru.cppreference.com/w/cpp/ranges "cpp/ranges") * [ 中文 ](http://zh.cppreference.com/w/cpp/ranges "cpp/ranges") * This page was last modified on 23 March 2024, at 06:26. * This page has been accessed 999,598 times. * [ Privacy policy ](/w/Cppreference:Privacy_policy "Cppreference:Privacy policy") * [ About ...
C++_Ranges_library/C++_Ranges_library_31_27.txt
rary # include <boost/optional.hpp> # else // Not found at all # error "Missing <optional>" # endif #endif   #ifdef __has_cpp_attribute // Check if __has_cpp_attribute is present # if __has_cpp_attribute(deprecated) ...
C++_Ranges_library/C++_Ranges_library_153_9.txt
s://wg21.link/P2714R1) ` __cpp_lib_bit_cast ` | [ ` std::bit_cast ` ](/w/cpp/numeric/bit_cast "cpp/numeric/bit cast") | 201806L | [ ` <bit> ` ](/w/cpp/header/bit "cpp/header/bit") | (C++20) | [ P0476R2 ](https://wg21.link/P0476R2) ` __cpp_lib_bitops ` | [ Bit operations ](/w/cpp/numeric#Bit_manipulation_.28...
C++_Ranges_library/C++_Ranges_library_153_6.txt
ents ](/w/cpp/language/template_parameters#Template_template_arguments "cpp/language/template parameters") | 201611L | (C++17) | [ P0522R0 ](https://wg21.link/P0522R0) ` __cpp_threadsafe_static_init ` | [ Dynamic initialization and destruction with concurrency ](/w/cpp/language/storage_duration#Static_local_var...
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_148_0.txt
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C++_Ranges_library/C++_Ranges_library_2_8.txt
range adaptor object) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_lazy_split_view&action=edit) [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") (C++20) | creates a subrange from an iterator and a count (customization point object) [ [edit] ](htt...
C++_Ranges_library/C++_Ranges_library_6_0.txt
##### [ cppreference.com ](/) [ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Fstring "You are encouraged to log in; however, it is not mandatory \[o\]") ##### Namespaces * [ Page ](/w/cpp/string "View the content page \[c\]") * [ Discussion ](/mwiki/index.php?title=Talk:cpp/string&action=edi...
C++_Ranges_library/C++_Ranges_library_153_33.txt
RE_ENTRY(202110L, __cpp_lib_ranges_zip) COMPILER_FEATURE_ENTRY(202202L, __cpp_lib_reference_from_temporary) COMPILER_FEATURE_ENTRY(202202L, __cpp_lib_shift) COMPILER_FEATURE_ENTRY(202106L, __cpp_lib_spanstream) COMPILER_FEATURE_ENTRY(202011L, __cpp_lib_stacktrace) COMPILER_FEATUR...
C++_Ranges_library/C++_Ranges_library_32_21.txt
=T-27 "Template:cpp/synopsis/iterator") ] Concept [ ` mergeable ` ](/w/cpp/iterator/mergeable "cpp/iterator/mergeable") namespace std { template<class I1, class I2, class Out, class R = [ranges::less](http://en.cppreference.com/w/cpp/ranges-functional-placeholder/less), class P1 = i...
C++_Ranges_library/C++_Ranges_library_141_8.txt
set> ` ](/w/cpp/header/unordered_set "cpp/header/unordered set") | (C++26) | [ P2363R5 ](https://wg21.link/P2363R5) ` __cpp_lib_assume_aligned ` | [ std::assume_aligned ](/w/cpp/memory/assume_aligned "cpp/memory/assume aligned") | 201811L | [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") | (C++20) ...
C++_Ranges_library/C++_Ranges_library_57_22.txt
https://wg21.link/P1206R7) ` __cpp_lib_ranges_zip ` | std::ranges::zip_view , std::ranges::zip_transform_view , std::ranges::adjacent_view , std::ranges::adjacent_transform_view | 202110L | [ ` <ranges> ` ](/w/cpp/header/ranges "cpp/header/ranges") [ ` <tuple> ` ](/w/cpp/header/tuple "cpp/header/tuple") [ ...
C++_Ranges_library/C++_Ranges_library_135_2.txt
ew "cpp/ranges/lazy split view") [ split_view views::split ](/w/cpp/ranges/split_view "cpp/ranges/split view") [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ reverse_view views::revers...
C++_Ranges_library/param-pack.html4_26_0.txt
For all other binary operators, a unary fold over an empty parameter pack results in an ill-formed program. ## Capturing parameter packs
C++_Ranges_library/C++_Ranges_library_100_2.txt
[ split_view views::split ](/w/cpp/ranges/split_view "cpp/ranges/split view") [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") [ common_view views::common ](/w/cpp/ranges/common_view "cpp/ranges/common view") | [ reverse_view views::reverse ](/w/cpp/ranges/reverse_view "cp...
C++_Ranges_library/C++_Ranges_library_10_0.txt
##### [ cppreference.com ](/) [ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Fcontainer "You are encouraged to log in; however, it is not mandatory \[o\]") ##### Namespaces * [ Page ](/w/cpp/container "View the content page \[c\]") * [ Discussion ](/w/Talk:cpp/container "Discussion about the...
C++_Ranges_library/C++_Ranges_library_31_29.txt
cxx14_lib[] = { COMPILER_FEATURE_ENTRY(201304L, __cpp_lib_chrono_udls) COMPILER_FEATURE_ENTRY(201309L, __cpp_lib_complex_udls) COMPILER_FEATURE_ENTRY(201304L, __cpp_lib_exchange_function) COMPILER_FEATURE_ENTRY(201304L, __cpp_lib_generic_associative_lookup) COMPILER_FEATURE_ENTRY...
C++_Ranges_library/C++_Ranges_library_77_3.txt
ge ` concept is a refinement of [ ` range ` ](/w/cpp/ranges/range "cpp/ranges/range") for which ` ranges::begin ` returns a [ constant iterator ](/w/cpp/iterator#Iterator_categories "cpp/iterator") . 2) The exposition-only concept /*constant-iterator*/ < T > is satisfied when the result of the indirection operatio...
C++_Ranges_library/C++_Ranges_library_11_9.txt
s://wg21.link/P2714R1) ` __cpp_lib_bit_cast ` | [ ` std::bit_cast ` ](/w/cpp/numeric/bit_cast "cpp/numeric/bit cast") | 201806L | [ ` <bit> ` ](/w/cpp/header/bit "cpp/header/bit") | (C++20) | [ P0476R2 ](https://wg21.link/P0476R2) ` __cpp_lib_bitops ` | [ Bit operations ](/w/cpp/numeric#Bit_manipulation_.28...
C++_Ranges_library/C++_Ranges_library_46_3.txt
ordered_map "cpp/header/unordered map") [ ` <unordered_set> ` ](/w/cpp/header/unordered_set "cpp/header/unordered set") ` __cpp_lib_assume_aligned ` | 201811L | [ ` <memory> ` ](/w/cpp/header/memory "cpp/header/memory") ` __cpp_lib_atomic_flag_test ` | 201907L | [ ` <atomic> ` ](/w/cpp/header/atomic "cpp/head...
C++_Ranges_library/what-will-be-the-output-of-the-following-c-code--5ab8a41bc56b6664bc9bacdd8_26_0.txt
return 0; }
C++_Ranges_library/C++_Ranges_library_31_3.txt
https://wg21.link/P1668R1) Changing the active member of a union in constant evaluation | 202002L | (C++20) | [ P1330R0 ](https://wg21.link/P1330R0) [ P2493R0 ](https://wg21.link/P2493R0) Non- [ literal ](/w/cpp/named_req/LiteralType "cpp/named req/LiteralType") variables, labels, and [ ` goto ` ](/w/cpp/l...
C++_Ranges_library/C++_Ranges_library_67_8.txt
range adaptor object) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_lazy_split_view&action=edit) [ views::counted ](/w/cpp/ranges/view_counted "cpp/ranges/view counted") (C++20) | creates a subrange from an iterator and a count (customization point object) [ [edit] ](htt...
C++_Ranges_library/C++_Ranges_library_31_2.txt
ct initialization ](/w/cpp/language/direct_initialization "cpp/language/direct initialization") | 201902L | (C++20) | [ P0960R3 ](https://wg21.link/P0960R3) ` __cpp_alias_templates ` | [ Alias templates ](/w/cpp/language/type_alias "cpp/language/type alias") | 200704L | (C++11) | [ N2258 ](https://wg21.lin...
C++_Ranges_library/C++_Ranges_library_88_13.txt
lib_ranges_to_container ` ](/w/cpp/feature_test#cpp_lib_ranges_to_container "cpp/feature test") | 202202L | (C++23) | std::ranges::to [ ` __cpp_lib_ranges_zip ` ](/w/cpp/feature_test#cpp_lib_ranges_zip "cpp/feature test") | 202110L | (C++23) | std::ranges::zip_view , std::ranges::zip_transform_view , ...
C++_Ranges_library/C++_Ranges_library_85_1.txt
| [ iterator_t const_iterator_t sentinel_t const_sentinel_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23) (C++23) --- | [ range_const_reference_t range_rvalue_reference_t range_common_reference_t ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23) --- | [ elements_of ...
C++_Ranges_library/C++_Ranges_library_151_4.txt
ressions#Expression- equivalence "cpp/language/expressions") to stride_view ( e, n ) . The ` n ` must be greater than ​ 0 ​ , otherwise the behavior is undefined. ` stride_view ` always models [ ` input_range ` ](/w/cpp/ranges/input_range "cpp/ranges/input range") , and models [ ` forward_range ` ](/w/cpp/ra...
C++_Ranges_library/C++_Ranges_library_130_0.txt
##### [ cppreference.com ](/) [ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Ffeature+test "You are encouraged to log in; however, it is not mandatory \[o\]") ##### Namespaces * [ Page ](/w/cpp/feature_test "View the content page \[c\]") * [ Discussion ](/w/Talk:cpp/feature_test "Discussion ...
C++_Ranges_library/param-pack.html4_20_0.txt
## Folds Another special form of pack expansion is folds , introduced in C++17. Above, we showed a function ` sum ` that summed a set of integers. This function can be implemented far more concisely with a fold:
C++_Ranges_library/C++_Ranges_library_130_28.txt
xpect }, #endif   #define COMPILER_SPECIFIC_STRING(value) #value #define COMPILER_SPECIFIC_ENTRY(name) { #name, COMPILER_SPECIFIC_STRING(name) },   class CompilerFeature { char const* name_; long data_; long std_; public: constexpr CompilerFeature(char const* name, long d...
C++_Ranges_library/C++_Ranges_library_60_3.txt
/error/get_unexpected "cpp/error/get unexpected") (C++11) (removed in C++17) | obtains the current unexpected_handler (function) [ [edit] ](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/error/dsc_get_unexpected&action=edit) [ set_unexpected ](/w/cpp/error/set_unexpected "cpp/error/set unexpec...
C++_Ranges_library/C++_Ranges_library_136_22.txt
https://wg21.link/P1206R7) ` __cpp_lib_ranges_zip ` | std::ranges::zip_view , std::ranges::zip_transform_view , std::ranges::adjacent_view , std::ranges::adjacent_transform_view | 202110L | [ ` <ranges> ` ](/w/cpp/header/ranges "cpp/header/ranges") [ ` <tuple> ` ](/w/cpp/header/tuple "cpp/header/tuple") [ ...
C++_Ranges_library/C++_Ranges_library_70_32.txt
this_parameter) COMPILER_FEATURE_ENTRY(202106L, __cpp_if_consteval) COMPILER_FEATURE_ENTRY(202207L, __cpp_implicit_move) COMPILER_FEATURE_ENTRY(202211L, __cpp_multidimensional_subscript) COMPILER_FEATURE_ENTRY(202207L, __cpp_named_character_escapes) COMPILER_FEATURE_ENTRY(202211L...