id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
C++_Ranges_library/C++_Ranges_library_77_0.txt | ##### [ cppreference.com ](/)
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C++_Ranges_library/accumulate4_11_0.txt | * ` T ` is not CopyConstructible .
* ` T ` is not CopyAssignable .
* op modifies any element of ` [ ` first ` , ` last ` ) ` .
* op invalidates any iterator or subrange in ` [ ` first ` , ` last ` ] ` .
## Contents | |
C++_Ranges_library/C++_Ranges_library_78_9.txt | on cannot (directly or indirectly) access objects accessible by threads other than the current thread unless the objects are accessed (directly or indirectly) via the function’s arguments, including this .
* A C++ standard library function cannot (directly or indirectly) modify objects accessible by threads other ... | |
C++_Ranges_library/C++_Ranges_library_130_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/checking-cin-input-stream-produces-an-integer9_114_0.txt | Email
Required, but never shown | |
C++_Ranges_library/C++_Ranges_library_96_0.txt | ##### [ cppreference.com ](/)
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C++_Ranges_library/C++_Ranges_library_154_5.txt |
"cpp/algorithm/ranges/unique copy")
[ Partitioning operations ](/w/cpp/algorithm/ranges#Partitioning_operations
"cpp/algorithm/ranges")
| [ ranges::is_partitioned ](/w/cpp/algorithm/ranges/is_partitioned
"cpp/algorithm/ranges/is partitioned")
---
[ ranges::partition_point ](/w/cpp/algorithm/ranges/partit... | |
C++_Ranges_library/C++_Ranges_library_60_2.txt | urrent_exception ](/w/cpp/error/current_exception "cpp/error/current exception") (C++11) | captures the current exception in a [ std::exception_ptr ](/w/cpp/error/exception_ptr "cpp/error/exception ptr")
(function) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/error/dsc_current_excep... | |
C++_Ranges_library/C++_Ranges_library_52_0.txt | ##### [ cppreference.com ](/)
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C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_60_0.txt | Add a comment |
1 | |
C++_Ranges_library/C++_Ranges_library_82_10.txt | ::replace_if ](/w/cpp/algorithm/ranges/replace "cpp/algorithm/ranges/replace") (C++20) (C++20) | replaces all values satisfying specific criteria with another value
(niebloid) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/algorithm/ranges/dsc_replace&action=edit)
[ ranges::replace_... | |
C++_Ranges_library/C++_Ranges_library_26_0.txt | ##### [ cppreference.com ](/)
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* [ Discussion ](/mwiki/index.php?... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_144_0.txt | # Subscribe to RSS
Question feed | |
C++_Ranges_library/C++_Ranges_library_43_2.txt | header/cfenv") (C++11)
---
[ ` <complex> ` ](/w/cpp/header/complex "cpp/header/complex")
| [ ` <random> ` ](/w/cpp/header/random "cpp/header/random") (C++11)
---
[ ` <valarray> ` ](/w/cpp/header/valarray "cpp/header/valarray")
| [ ` <cmath> ` ](/w/cpp/header/cmath "cpp/header/cmath")
---
[ ` <li... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_46_0.txt | * 4
` if(!cin) ` is valid, but it hides what it is actually doing. ` if
(cin.fail()) ` does the same thing and is more clear. | |
C++_Ranges_library/C++_Ranges_library_109_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_153_24.txt | 21.link/P1227R2)
` __cpp_lib_sstream_ from_string_view ` | Interfacing [ std::stringstream ](/w/cpp/io/basic_stringstream "cpp/io/basic stringstream") s with [ std::string_view ](/w/cpp/string/basic_string_view "cpp/string/basic string view") | 202306L | [ ` <sstream> ` ](/w/cpp/header/sstream "cpp/header/sstr... | |
C++_Ranges_library/C++_Ranges_library_126_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/param-pack.html4_81_0.txt | Unfortunately, the problem with this plan is that the inverse of ` v.index() `
âa method to set the index of the variantâdoes not exist. We could try
to implement such a function by brute-force, but the result will be
problematic:
// Painful to write, only works if variant has exactly 3 types
v... | |
C++_Ranges_library/C++_Ranges_library_8_1.txt | 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 ](/w/cpp/ranges/element... | |
C++_Ranges_library/C++_Ranges_library_58_7.txt | le/tuple-like") values and a number N and produces a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view") of N th element of each tuple
(class template) (range adaptor object) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_elements_view&action=edit)
Retrieved from " [
htt... | |
C++_Ranges_library/C++_Ranges_library_142_2.txt | w 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 ](/w/cpp/ranges/common_view "cpp/ranges/common... | |
C++_Ranges_library/C++_Ranges_library_7_6.txt | /subrange") (C++20) | combines an iterator-sentinel pair into a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view")
(class template) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_subrange&action=edit)
### [ [ edit ](/mwiki/index.php?title=cpp/ranges&action=edit§ion=... | |
C++_Ranges_library/param-pack.html4_70_0.txt | ## Homogeneous function parameter packs
As previously mentioned , it is tricky to emulate a function taking a
homogeneous variadic parameter pack without introducing extra copies of the
argument. Suppose you want to implement a function equivalent to the (illegal)
` good(Obj ...obj) ` that accepts a variable number... | |
C++_Ranges_library/C++_Ranges_library_109_21.txt | view") | 202207L | [ ` <ranges> ` ](/w/cpp/header/ranges "cpp/header/ranges") | (C++23) | [ P2278R4 ](https://wg21.link/P2278R4)
Making std::basic_const_iterator follow its underlying type's convertibility | 202311L | [ ` <ranges> ` ](/w/cpp/header/ranges "cpp/header/ranges") | (C++26) | [ P2836R1 ](h... | |
C++_Ranges_library/C++_Ranges_library_135_1.txt | onst_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 ](/w/cpp/ranges/elements_of "cpp/ranges/elements... | |
C++_Ranges_library/C++_Ranges_library_64_30.txt | que_object_representations)
COMPILER_FEATURE_ENTRY(201603L, __cpp_lib_hypot)
COMPILER_FEATURE_ENTRY(201505L, __cpp_lib_incomplete_container_elements)
COMPILER_FEATURE_ENTRY(201411L, __cpp_lib_invoke)
COMPILER_FEATURE_ENTRY(201703L, __cpp_lib_is_aggregate)
COMPILER_FEATURE_ENTRY(2... | |
C++_Ranges_library/C++_Ranges_library_101_7.txt | a[4], data[5])
);
for (int x : view)
[std::cout](http://en.cppreference.com/w/cpp/io/cout) << x << ' ';
[std::cout](http://en.cppreference.com/w/cpp/io/cout) << '\n';
}
Output:
6 9 12 15
### [ [ edit
](/mwiki/index.php?title=cpp/ranges/adjacent_transform_v... | |
C++_Ranges_library/C++_Ranges_library_26_6.txt | urn a + (x - a + 13) % 26;
}
char rot13(const char x)
{
if ('Z' >= x and x >= 'A')
return rot13a(x, 'A');
if ('z' >= x and x >= 'a')
return rot13a(x, 'a');
return x;
}
int main()
{
auto show = [](const unsigned char ... | |
C++_Ranges_library/param-pack.html4_42_0.txt | ## Recursing over template parameters
Another common technique is to recurse over template parameters. This can be
done to consume the elements of a parameter pack, produce elements of a
parameter, or both. Hereâs a simple example in which we recursively produce
the arguments of a parameter pack. The goal is, at co... | |
C++_Ranges_library/C++_Ranges_library_8_7.txt | p/ranges/view") that are ` N ` -sized non-overlapping successive chunks of the elements of another [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view")
(class template) (range adaptor object) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_chunk_view&action=edit)
Retrieved f... | |
C++_Ranges_library/C++_Ranges_library_11_11.txt | pp/header/cmath "cpp/header/cmath") [ ` <cstdlib> ` ](/w/cpp/header/cstdlib "cpp/header/cstdlib") | (C++26) | [ P1383R2 ](https://wg21.link/P1383R2)
` __cpp_lib_constexpr_complex ` | Constexpr for [ std::complex ](/w/cpp/numeric/complex "cpp/numeric/complex") | 201711L | [ ` <complex> ` ](/w/cpp/header/comple... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_128_0.txt | 0
C++ How can I catch an Exception if someone enters text instead of a number?
Then go back and ask them to enter a number? | |
C++_Ranges_library/what-will-be-the-output-of-the-following-c-code--5ab8a41bc56b6664bc9bacdd8_65_0.txt | Test Series Testbook Pass Online Courses Online Videos Practice Blog
Refer & Earn Books
Our Apps | |
C++_Ranges_library/C++_Ranges_library_139_12.txt | ator \- > ( ) ; } ) ; | (2) | ( exposition only* )
template < class T, class U >
concept /* different-from */ =
! [ std:: same_as ](http://en.cppreference.com/w/cpp/concepts/same_as) < [ std:: remove_cvref_t ](http://en.cppreference.com/w/cpp/types/remove_cvref) < T > , [ std:: remove_... | |
C++_Ranges_library/param-pack.html4_44_0.txt |
template<char ...Out>
consteval auto
add_commas(string_holder<>, string_holder<Out...> out)
{
return out;
}
template<char In0, char ...InRest, char ...Out>
consteval auto
add_commas(string_holder<In0, InRest...>, string_holder<Out...> = {})
{
if constexpr (... | |
C++_Ranges_library/param-pack.html4_59_0.txt | Sometimes you want to modify the types in a parameter pack in a context where
it is inconvenient to capture the parameter pack. For instance, suppose you
want a way to take a ` std::tuple ` type and generate another type
corresponding to pointers to the types in the tuple. The brute-force approach
would be to introduce... | |
C++_Ranges_library/C++_Ranges_library_110_1.txt | ](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t")
(C++23)
---
| [ elements_of ](/w/cpp/ranges/elements_of "cpp/ranges/elements of")
(C++23)
---
[ Dangling iterator handling ](/w/cpp/ranges#Dangling_iterator_handling
"cpp/ranges")
| [ dangling ](/w/cpp/ranges/dangling "cpp/... | |
C++_Ranges_library/C++_Ranges_library_102_4.txt | _view
* 3.1 Parameters
* 4 std::ranges::filter_view:: base
* 5 std::ranges::filter_view:: pred
* 6 std::ranges::filter_view:: begin
* 7 std::ranges::filter_view:: end
* 7.1 Deduction guides
* 7.2 Nested classes
* 7.3 Example
* 7.4 Defect reports
* 7.5 See also
... | |
C++_Ranges_library/C++_Ranges_library_29_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_32_22.txt | nopsis/iterator&action=edit§ion=T-31
"Template:cpp/synopsis/iterator") ] Class template [ std::projected
](/w/cpp/iterator/projected "cpp/iterator/projected")
namespace std {
template<indirectly_readable I, indirectly_regular_unary_invocable<I> Proj>
struct [projected](http://en.cpprefe... | |
C++_Ranges_library/C++_Ranges_library_154_10.txt | s, {}, &Particle::mass);
print("Sort by mass using a projection", particles, '\n');
}
Output:
Sort using the default operator<
0 1 2 3 4 5 6 7 8 9
Sort using a standard library compare function object
9 8 7 6 5 4 3 2 1 0
Sort using a custom function object
0 1 2 3 4 5 6 7... | |
C++_Ranges_library/C++_Ranges_library_140_10.txt | or C++11, featuring intuitive syntax | MIT | header-only; bazel, cmake, meson
[ JSON Voorhees ](https://github.com/tgockel/json-voorhees) | Killer JSON for C++11 ( [ Doc ](https://tgockel.github.io/json-voorhees/) ) | Apache-2.0 | cmake
[ JSON++ ](https://bitbucket.org/tunnuz/json) | | |
[ json11 ](... | |
C++_Ranges_library/C++_Ranges_library_73_17.txt | ader/functional") | (C++17) | [ N4169 ](https://wg21.link/N4169)
` __cpp_lib_invoke_r ` | [ ` std::invoke_r ` ](/w/cpp/utility/functional/invoke "cpp/utility/functional/invoke") | 202106L | [ ` <functional> ` ](/w/cpp/header/functional "cpp/header/functional") | (C++23) | [ P2136R3 ](https://wg21.link/P2136... | |
C++_Ranges_library/C++_Ranges_library_124_4.txt | nks") − [ Non-ANSI/ISO Libraries
](/w/cpp/links/libs "cpp/links/libs") − [ Index ](/w/cpp/index "cpp/index") −
[ std Symbol Index ](/w/cpp/symbol_index "cpp/symbol index")
Retrieved from " [
https://en.cppreference.com/mwiki/index.php?title=cpp&oldid=97601
](https://en.cppreference.com/mwiki/index.php?title=cpp&ol... | |
C++_Ranges_library/C++_Ranges_library_68_1.txt | (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 ](/w/cpp/ranges/elements_of "cpp/ranges/elements of")
(C++23)
---
[ Dangling iterator handling ](/... | |
C++_Ranges_library/C++_Ranges_library_112_2.txt | "cpp/utility/tuple") (C++11)
[ optional ](/w/cpp/utility/optional "cpp/utility/optional") (C++17)
[ any ](/w/cpp/utility/any "cpp/utility/any") (C++17)
[ variant ](/w/cpp/utility/variant "cpp/utility/variant") (C++17)
| [ tuple_size ](/w/cpp/utility/tuple_size "cpp/utility/tuple size") (C++11)
---
[... | |
C++_Ranges_library/C++_Ranges_library_84_1.txt | 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 ](/w/cpp/ranges... | |
C++_Ranges_library/C++_Ranges_library_11_25.txt | on "cpp/language/operator comparison") (library support); adding three-way comparison to the library | 201907L | [ ` <compare> ` ](/w/cpp/header/compare "cpp/header/compare") | (C++20) | [ P0768R1 ](https://wg21.link/P0768R1)
[ P1614R2 ](https://wg21.link/P1614R2)
` __cpp_lib_to_address ` | Utility to conv... | |
C++_Ranges_library/C++_Ranges_library_59_34.txt | om_access_range<const V> && sized_range<const V>;
constexpr auto end() requires (!__simple_view<V>)
{ return [ranges::end](http://en.cppreference.com/w/cpp/ranges-ranges-placeholder/end)(base_); }
constexpr auto end() const requires range<const V>
{ return [ranges::end](http:... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_121_0.txt | 2
Validating integer input from user in c++ | |
C++_Ranges_library/C++_Ranges_library_44_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.
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C++_Ranges_library/C++_Ranges_library_57_12.txt | r/vector") | 201907L | [ ` <vector> ` ](/w/cpp/header/vector "cpp/header/vector") | (C++20) | [ P1004R2 ](https://wg21.link/P1004R2)
` __cpp_lib_containers_ranges ` | [ Ranges-aware ](/w/cpp/ranges/to#container_compatible_range "cpp/ranges/to") construction and insertion for containers and strings | 202202L ... | |
C++_Ranges_library/C++_Ranges_library_102_5.txt | derived view is not empty. Provided if [ ranges::empty ](/w/cpp/ranges/empty "cpp/ranges/empty") is applicable to it.
(public member function of ` std::ranges::view_interface<D> ` ) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/view_interface/dsc_operator_bool&action=edit)
[ f... | |
C++_Ranges_library/param-pack.html4_2_0.txt | June, 2022
* Introduction
* Overview of variadic templates
* Expanding parameter packs
* ` sizeof...(pack) `
* Folds
* Capturing parameter packs
* Template parameter packs
* Function parameter packs
* Init-capture packs
* Idioms
* Recursing over argument lists
... | |
C++_Ranges_library/C++_Ranges_library_155_0.txt | ##### [ cppreference.com ](/)
[ Log in ](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Franges "You
are encouraged to log in; however, it is not mandatory \[o\]")
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* [ Discussion ](/mwiki/index.php?title=Talk:cpp/ranges&action=edi... | |
C++_Ranges_library/C++_Ranges_library_95_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_81_5.txt | es/view interface")
[ empty ](/w/cpp/ranges/view_interface/empty "cpp/ranges/view interface/empty") (C++20) | returns whether 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/rang... | |
C++_Ranges_library/C++_Ranges_library_56_14.txt | ted ` ](/w/cpp/utility/expected "cpp/utility/expected") <> (since
C++23)
[ ` expint() ` ](/w/cpp/numeric/special_functions/expint "cpp/numeric/special
functions/expint") (since C++17)
[ ` expintf() ` ](/w/cpp/numeric/special_functions/expint "cpp/numeric/special
functions/expint") (since C++17)
[ ` expintl() ` ](... | |
C++_Ranges_library/C++_Ranges_library_126_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_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_92_0.txt | ##### [ cppreference.com ](/)
[ Create account
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##### Namespaces
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C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_61_0.txt | There is a function in c called ` isdigit() ` . That will suit you just fine.
Example:
int var1 = 'h';
int var2 = '2';
if( isdigit(var1) )
{
printf("var1 = |%c| is a digit\n", var1 );
}
else
{
printf("var1 = |%c| is not a digit\n", var1 );
}
if( isdigit(... | |
C++_Ranges_library/C++_Ranges_library_91_12.txt | ### [ [ edit ](/mwiki/index.php?title=cpp/algorithm&action=edit§ion=15
"Edit section: Sorting and related operations") ] Sorting and related
operations
#### [ [ edit ](/mwiki/index.php?title=cpp/algorithm&action=edit§ion=16
"Edit section: Requirements") ] Requirements
Some algorithms require the sequence ... | |
C++_Ranges_library/C++_Ranges_library_95_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_64_16.txt | p "cpp/header/map") [ ` <set> ` ](/w/cpp/header/set "cpp/header/set") | (C++14) | [ N3657 ](https://wg21.link/N3657)
` __cpp_lib_generic_ unordered_lookup ` | Heterogeneous comparison lookup in [ unordered associative containers ](/w/cpp/container#Unordered_associative_containers "cpp/container") | 201811L | ... | |
C++_Ranges_library/accumulate4_20_0.txt | adjacent_difference | computes the differences between adjacent elements in a range
(function template) [edit]
---|---
inner_product | computes the inner product of two ranges of elements
(function template) [edit]
partial_sum | computes the partial sum of a range of elements
(function template) ... | |
C++_Ranges_library/C++_Ranges_library_27_4.txt | ` ](/w/cpp/ranges/repeat_view "cpp/ranges/repeat view") :
* [ views:: repeat ](http://en.cppreference.com/w/cpp/ranges/repeat_view) ( * e. value_ , [ ranges:: distance ](http://en.cppreference.com/w/cpp/iterator/ranges/distance) ( e ) \- inc ) , if ` T ` models [ ` sized_range ` ](/w/cpp/ranges... | |
C++_Ranges_library/C++_Ranges_library_14_4.txt | formats a monetary value for output as a character sequence
(class template) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/locale/dsc_money_put&action=edit)
[ moneypunct ](/w/cpp/locale/moneypunct "cpp/locale/moneypunct") | defines monetary formatting parameters used by [ std::mon... | |
C++_Ranges_library/C++_Ranges_library_141_19.txt | [ ` <mdspan> ` ](/w/cpp/header/mdspan "cpp/header/mdspan") | (C++23) | [ P0009R18 ](https://wg21.link/P0009R18)
[ P2599R2 ](https://wg21.link/P2599R2)
[ P2604R0 ](https://wg21.link/P2604R0)
[ P2613R1 ](https://wg21.link/P2613R1)
` __cpp_lib_memory_resource ` | [ std::pmr::memory_resource ](/w/cpp/memory/me... | |
C++_Ranges_library/what-will-be-the-output-of-the-following-c-code--5ab8a41bc56b6664bc9bacdd8_39_0.txt | ## More Programming in C Questions
Q1. What is the output of the following program? #include <stdio.h > # define
SQR(x) (x*x) int main() { int a, b = 3; a=SQR(b+2); printf("%d",a); return 0;
} | |
C++_Ranges_library/C++_Ranges_library_11_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_23_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.
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C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_94_0.txt | The only case where this approach fails is when there is trailing white space
after the number in the input, that is, the user enters a lot of spaces after
inputting the number. To handle such a case, you could rtrim the input string
as described in this post .
#include <iostream>
#include <string>... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_129_0.txt | 0
C++ How to check if double number is not entered as an alphabet | |
C++_Ranges_library/C++_Ranges_library_108_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_101_5.txt | es/adaptor/dsc_begin&action=edit)
[ end ](/w/cpp/ranges/adjacent_transform_view/end "cpp/ranges/adjacent transform view/end") (C++23) | returns an iterator or a sentinel to the end
(public member function) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/adaptor/dsc_end&action=e... | |
C++_Ranges_library/C++_Ranges_library_85_4.txt | ence.com/w/cpp/utility/tuple_size) < T > :: type ;
requires N < [ std:: tuple_size_v
](http://en.cppreference.com/w/cpp/utility/tuple_size) < T > ;
typename [ std:: tuple_element_t
](http://en.cppreference.com/w/cpp/utility/tuple_element) < N, T > ;
{ [ std:: get ](http://en.cppreference.com/w/cpp/uti... | |
C++_Ranges_library/C++_Ranges_library_32_19.txt | egular_invocable<F&, iter_value_t<I>&> &&
regular_invocable<F&, iter_reference_t<I>> &&
regular_invocable<F&, iter_common_reference_t<I>> &&
common_reference_with<
invoke_result_t<F&, iter_value_t<I>&>,
invoke_result_t<F&, iter_reference_t<I>>>;
}
#### [ [ edi... | |
C++_Ranges_library/C++_Ranges_library_140_8.txt | ol) | A modern, fast, lightweight thread pool | [ MIT ](https://github.com/DeveloperPaul123/thread-pool/blob/master/LICENSE) | cmake
[ Thrust ](https://thrust.github.io/) | STL-like parallel algorithms and data-structures on top of CUDA, TBB, or OpenMP | [ Apache v2.0, Boost v1.0. ](https://github.com/NVIDIA/... | |
C++_Ranges_library/C++_Ranges_library_141_12.txt | r/vector") | 201907L | [ ` <vector> ` ](/w/cpp/header/vector "cpp/header/vector") | (C++20) | [ P1004R2 ](https://wg21.link/P1004R2)
` __cpp_lib_containers_ranges ` | [ Ranges-aware ](/w/cpp/ranges/to#container_compatible_range "cpp/ranges/to") construction and insertion for containers and strings | 202202L ... | |
C++_Ranges_library/C++_Ranges_library_40_5.txt | directional_range
"cpp/ranges/bidirectional range") .
3) The name views :: chunk denotes a [ RangeAdaptorObject
](/w/cpp/named_req/RangeAdaptorObject "cpp/named req/RangeAdaptorObject") .
Given subexpressions e and n , the expression views :: chunk ( e, n
) is [ expression-equivalent ](/w/cpp/language/e... | |
C++_Ranges_library/C++_Ranges_library_79_3.txt | ry_iterator ](/w/cpp/filesystem/recursive_directory_iterator "cpp/filesystem/recursive directory iterator") (C++17) | an iterator to the contents of a directory and its subdirectories
(class) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/filesystem/dsc_recursive_directory_iterator&act... | |
C++_Ranges_library/C++_Ranges_library_29_24.txt | 21.link/P1227R2)
` __cpp_lib_sstream_ from_string_view ` | Interfacing [ std::stringstream ](/w/cpp/io/basic_stringstream "cpp/io/basic stringstream") s with [ std::string_view ](/w/cpp/string/basic_string_view "cpp/string/basic string view") | 202306L | [ ` <sstream> ` ](/w/cpp/header/sstream "cpp/header/sstr... | |
C++_Ranges_library/C++_Ranges_library_68_0.txt | ##### [ cppreference.com ](/)
[ Log in
](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Franges%2Fcbegin "You
are encouraged to log in; however, it is not mandatory \[o\]")
##### Namespaces
* [ Page ](/w/cpp/ranges/cbegin "View the content page \[c\]")
* [ Discussion ](/mwiki/index.php?title=Talk:cpp/r... | |
C++_Ranges_library/C++_Ranges_library_51_6.txt | /subrange") (C++20) | combines an iterator-sentinel pair into a [ ` view ` ](/w/cpp/ranges/view "cpp/ranges/view")
(class template) [ [edit]
](https://en.cppreference.com/mwiki/index.php?title=Template:cpp/ranges/dsc_subrange&action=edit)
### [ [ edit ](/mwiki/index.php?title=cpp/ranges&action=edit§ion=... | |
C++_Ranges_library/C++_Ranges_library_64_25.txt | on "cpp/language/operator comparison") (library support); adding three-way comparison to the library | 201907L | [ ` <compare> ` ](/w/cpp/header/compare "cpp/header/compare") | (C++20) | [ P0768R1 ](https://wg21.link/P0768R1)
[ P1614R2 ](https://wg21.link/P1614R2)
` __cpp_lib_to_address ` | Utility to conv... | |
C++_Ranges_library/C++_Ranges_library_36_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)
---
| [ e... | |
C++_Ranges_library/C++_Ranges_library_44_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/what-will-be-the-output-of-the-following-c-code--5ab8a41bc56b6664bc9bacdd8_51_0.txt | Q3. What is the output of the following program? #include<stdio.h > int
main() { int i=3; while (i--) { int i=10; i--; printf("%d", i); } printf("%d",
i); }
Q4. Which data structure is typically used to implement hash table ? | |
C++_Ranges_library/C++_Ranges_library_150_7.txt | 3) | [ P0401R6 ](https://wg21.link/P0401R6)
[ P2652R2 ](https://wg21.link/P2652R2)
[ LWG3887 ](https://wg21.link/LWG3887)
` __cpp_lib_allocator_ traits_is_always_equal ` | [ ` std::allocator_traits::is_always_equal ` ](/w/cpp/memory/allocator_traits "cpp/memory/allocator traits") | 201411L | [ ` <memory> ... | |
C++_Ranges_library/C++_Ranges_library_109_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_130_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/checking-cin-input-stream-produces-an-integer9_49_0.txt | – natet
Sep 28, 2017 at 23:46 | |
C++_Ranges_library/C++_Ranges_library_154_1.txt | /algorithm/for_each_n "cpp/algorithm/for each n")
(C++17)
---
[ Search operations ](/w/cpp/algorithm#Search_operations "cpp/algorithm")
| [ all_of any_of none_of ](/w/cpp/algorithm/all_any_none_of
"cpp/algorithm/all any none of") (C++11) (C++11) (C++11)
---
[ count count_if ](/w/cpp/algorithm/count... | |
C++_Ranges_library/C++_Ranges_library_29_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_115_4.txt | clude <vector>
int main()
{
int a[]{4, 6, -3, 9, 10};
[std::cout](http://en.cppreference.com/w/cpp/io/cout) << "Array backwards: ";
namespace ranges = std::ranges;
[ranges::copy](http://en.cppreference.com/w/cpp/ranges-algorithm-placeholder/copy)([ranges::rbegin](http://en.... | |
C++_Ranges_library/checking-cin-input-stream-produces-an-integer9_2_0.txt | Loading…
1. ### current community | |
C++_Ranges_library/C++_Ranges_library_93_0.txt | ##### [ cppreference.com ](/)
[ Log in
](/mwiki/index.php?title=Special:UserLogin&returnto=cpp%2Franges%2Fzip+view
"You are encouraged to log in; however, it is not mandatory \[o\]")
##### Namespaces
* [ Page ](/w/cpp/ranges/zip_view "View the content page \[c\]")
* [ Discussion ](/w/Talk:cpp/ranges/zip_view "... | |
C++_Ranges_library/C++_Ranges_library_140_30.txt | | An accurate XML serialization | |
[ iguana ](https://github.com/qicosmos/iguana) | A modern, universal and easy-to-use serialization engine developed in C++17, based on compile-time Reflection. Supported formats: JSON, XML, user-defined. | Apache-2.0 | cmake
[ jios ](https://github.com/castedo/jios) | ... |
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