实验性库头文件 <experimental/ranges/type_traits>

 

C++

语言

标准库头文件

自立与有宿主实现

具名要求

语言支持库

概念库 (C++20)

诊断库

工具库

字符串库

容器库

迭代器库

范围库 (C++20)

算法库

数值库

本地化库

输入/输出库

文件系统库 (C++17)

正则表达式库 (C++11)

原子操作库 (C++11)

线程支持库 (C++11)

技术规范

 

标准库头文件

语言支持
<cstddef> <cstdlib> <version> <limits> <climits>	<cfloat> <cstdint> <new> <typeinfo>	<source_location> <exception> <initializer_list>     <compare>	<coroutine> <csignal> <csetjmp> <cstdarg>
概念
<concepts>
诊断
<stdexcept>	<cassert>	<cerrno>	<system_error>
通用工具
<utility> <memory> <memory_resource> <scoped_allocator>	<bitset> <tuple> <optional> <any>	<variant> <type_traits> <ratio> <chrono>	<typeindex> <functional> <stacktrace> <ctime>
字符串
<string> <string_view> <cstring>	<charconv> <format>	<cctype> <cwctype>	<cwchar> <cuchar>
本地化
<locale>	<codecvt>	<clocale>
容器
<span> <array> <vector>	<deque> <forward_list> <list>	<map> <set> <queue>	<unordered_map> <unordered_set> <stack>
迭代器
<iterator>
范围
<ranges>
算法
<algorithm>	<execution>
数值
<complex> <random>	<valarray> <numeric>	<bit> <numbers>	<cfenv> <cmath>
输入/输出
<iosfwd> <ios> <iomanip> <streambuf>	<istream> <ostream> <iostream>	<sstream> <spanstream> <fstream> <syncstream>	<cstdio> <cinttypes> <strstream>
正则表达式
<regex>
文件系统
<filesystem>
线程支持
<thread> <atomic> <mutex>	<shared_mutex> <condition_variable>     <future>	<stop_token> <semaphore>	<latch> <barrier>
C 兼容
<ciso646> <cstdalign>	<cstdbool> <ccomplex>	<ctgmath> <stdatomic.h>

 

实验性库头文件

文件系统 TS
<experimental/filesystem>
并行 TS (v1, v2)
<experimental/algorithm> <experimental/execution_policy> <experimental/exception_list>	<experimental/numeric> <experimental/simd> <experimental/task_block>
库基础 TS (v1, v2, v3)
<experimental/algorithm> <experimental/any> <experimental/array> <experimental/chrono> <experimental/deque> <experimental/forward_list> <experimental/functional> <experimental/future> <experimental/iterator> <experimental/list> <experimental/map> <experimental/memory> <experimental/memory_resource> <experimental/numeric> <experimental/optional> <experimental/propagate_const>	<experimental/random> <experimental/ratio> <experimental/regex> <experimental/scope> <experimental/set> <experimental/source_location> <experimental/string> <experimental/string_view> <experimental/system_error> <experimental/tuple> <experimental/type_traits> <experimental/unordered_map> <experimental/unordered_set> <experimental/utility> <experimental/vector>
并发 TS
<experimental/atomic> <experimental/barrier>	<experimental/future> <experimental/latch>
范围 TS
<experimental/ranges/algorithm> <experimental/ranges/concepts> <experimental/ranges/functional>     <experimental/ranges/iterator>	<experimental/ranges/random> <experimental/ranges/tuple> <experimental/ranges/type_traits> <experimental/ranges/utility>
协程 TS
<experimental/coroutine>
网络 TS
<experimental/buffer> <experimental/executor> <experimental/internet> <experimental/io_context>	<experimental/net> <experimental/netfwd> <experimental/socket> <experimental/timer>
反射 TS
<experimental/reflect>

 

此头文件是范围的一部分。

元编程与类型特征

定义于命名空间 std::experimental::ranges
is_swappable_withis_swappableis_nothrow_swappable_withis_nothrow_swappable	检查一个类型的对象是否能与相同或不同类型的对象交换 (类模板)
common_reference	确定类型集合的公共引用类型 (类模板)
common_type	确定类型集合的公共类型 (类模板)

概要

namespace std { namespace experimental { namespace ranges { inline namespace v1 {
 
template <class T, class U> struct is_swappable_with;
template <class T> struct is_swappable;
 
template <class T, class U> struct is_nothrow_swappable_with;
template <class T> struct is_nothrow_swappable;
 
template <class T, class U> constexpr bool is_swappable_with_v
  = is_swappable_with<T, U>::value;
template <class T> constexpr bool is_swappable_v
  = is_swappable<T>::value;
 
template <class T, class U> constexpr bool is_nothrow_swappable_with_v
  = is_nothrow_swappable_with<T, U>::value;
template <class T> constexpr bool is_nothrow_swappable_v
  = is_nothrow_swappable<T>::value;
 
template <class... T> struct common_type;
template <class T, class U, template <class> class TQual, template <class> class UQual>
  struct basic_common_reference { };
template <class... T> struct common_reference;
 
template <class... T>
  using common_type_t = typename common_type<T...>::type;
template <class... T>
  using common_reference_t = typename common_reference<T...>::type;
 
}}}}