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Standard library header <version> (C++20)
Language support
<cfloat>
<climits>
<compare>
(C++20)
<contracts>
(C++26)
<coroutine>
(C++20)
<csetjmp>
<csignal>
<cstdarg>
<cstddef>
<cstdint>
(C++11)
<cstdlib>
<exception>
<initializer_list>
(C++11)
<limits>
<new>
<source_location>
(C++20)
<stdfloat>
(C++23)
<typeinfo>
<version>
(C++20)
Concepts
<concepts>
(C++20)
Diagnostics
<cassert>
<cerrno>
<debugging>
(C++26)
<stacktrace>
(C++23)
<stdexcept>
<system_error>
(C++11)
Memory management
<memory>
<memory_resource>
(C++17)
<scoped_allocator>
(C++11)
Metaprogramming
<type_traits>
(C++11)
<ratio>
(C++11)
General utilities
<any>
(C++17)
<bitset>
<bit>
(C++20)
<charconv>
(C++17)
<expected>
(C++23)
<format>
(C++20)
<functional>
<optional>
(C++17)
<stdbit.h>
(C++26)
<tuple>
(C++11)
<typeindex>
(C++11)
<utility>
<variant>
(C++17)
Containers
<array>
(C++11)
<deque>
<flat_map>
(C++23)
<flat_set>
(C++23)
<forward_list>
(C++11)
<hive>
(C++26)
<inplace_vector>
(C++26)
<list>
<map>
<mdspan>
(C++23)
<queue>
<set>
<span>
(C++20)
<stack>
<unordered_map>
(C++11)
<unordered_set>
(C++11)
<vector>
Iterators
<iterator>
Ranges
<generator>
(C++23)
<ranges>
(C++20)
Algorithms
<algorithm>
<numeric>
Strings
<cctype>
<cstring>
<cuchar>
(C++11)
<cwchar>
<cwctype>
<string_view>
(C++17)
<string>
Text processing
<clocale>
<codecvt>
(
C++11/17/26*
)
<locale>
<regex>
(C++11)
<text_encoding>
(C++26)
Numerics
<cfenv>
(C++11)
<cmath>
<complex>
<linalg>
(C++26)
<numbers>
(C++20)
<random>
(C++11)
<simd>
(C++26)
<stdckdint.h>
(C++26)
<valarray>
Time
<chrono>
(C++11)
<ctime>
C compatibility
<ccomplex>
(
C++11/17/20*
)
<ciso646>
(until C++20)
<cstdalign>
(
C++11/17/20*
)
<cstdbool>
(
C++11/17/20*
)
<ctgmath>
(
C++11/17/20*
)
Input/output
<cinttypes>
(C++11)
<cstdio>
<filesystem>
(C++17)
<fstream>
<iomanip>
<iosfwd>
<iostream>
<ios>
<istream>
<ostream>
<print>
(C++23)
<spanstream>
(C++23)
<sstream>
<streambuf>
<strstream>
(
C++98/26*
)
<syncstream>
(C++20)
Concurrency support
<atomic>
(C++11)
<barrier>
(C++20)
<condition_variable>
(C++11)
<future>
(C++11)
<hazard_pointer>
(C++26)
<latch>
(C++20)
<mutex>
(C++11)
<rcu>
(C++26)
<semaphore>
(C++20)
<shared_mutex>
(C++14)
<stdatomic.h>
(C++23)
<stop_token>
(C++20)
<thread>
(C++11)
Execution support
<execution>
(C++17)