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C++11, C++14, C++17, C++20, C++23, C++26  │  Compiler support C++11, C++14, C++17, C++20, C++23, C++26
Language Keywords − Preprocessor ASCII chart Basic concepts     Comments     Names (lookup)     Types (fundamental types)     The main function Expressions     Value categories     Evaluation order     Operators (precedence)     Conversions − Literals Statements     if − switch     for − range-for (C++11)     while − do-while Declarations − Initialization Functions − Overloading Classes (unions) Templates − Exceptions Freestanding implementations Standard library (headers) Named requirements Feature test macros (C++20) Language support library Program utilities source_location (C++20) Coroutine support (C++20) Three-way comparison (C++20) Type support numeric_limits − type_info initializer_list (C++11) Concepts library (C++20) Diagnostics library exception − System error basic_stacktrace (C++23)	Memory management library unique_ptr (C++11) shared_ptr (C++11) weak_ptr (C++11) Memory resources (C++17) Allocators − Low level management Metaprogramming library (C++11) Type traits − ratio integer_sequence (C++14) General utilities library Function objects − hash (C++11) Swap − Type operations (C++11) Integer comparison (C++20) pair − tuple (C++11) optional (C++17) expected (C++23) variant (C++17) − any (C++17) String conversions (C++17) Formatting (C++20) bitset − Bit manipulation (C++20) Debugging support (C++26) Strings library basic_string − char_traits basic_string_view (C++17) Null-terminated strings:     byte − multibyte − wide Containers library vector − deque − array (C++11) list − forward_list (C++11) map − multimap − set − multiset unordered_map (C++11) unordered_multimap (C++11) unordered_set (C++11) unordered_multiset (C++11) Container adaptors span (C++20) − mdspan (C++23)	Iterators library Ranges library (C++20) Algorithms library Execution policies (C++17) Constrained algorithms (C++20) Numerics library Common math functions Mathematical special functions (C++17) Mathematical constants (C++20) Basic linear algebra algorithms (C++26) Numeric algorithms Pseudo-random number generation Floating-point environment (C++11) complex − valarray Date and time library Calendar (C++20) − Time zone (C++20) Localization library locale − Character classification text_encoding (C++26) Input/output library Print functions (C++23) Stream-based I/O − I/O manipulators basic_istream − basic_ostream Synchronized output (C++20) File systems (C++17) Regular expressions library (C++11) basic_regex − Algorithms Default regular expression grammar Concurrency support library (C++11) thread − jthread (C++20) atomic − atomic_flag atomic_ref (C++20) −  memory_order Mutual exclusion − Semaphores (C++20) Condition variables − Futures latch (C++20) − barrier (C++20) Safe Reclamation (C++26) Execution support library (C++26)
Technical specifications   Standard library extensions  (library fundamentals TS) resource_adaptor − invocation_type   Standard library extensions v2  (library fundamentals TS v2) propagate_const − ostream_joiner −  randint observer_ptr − Detection idiom   Standard library extensions v3  (library fundamentals TS v3) scope_exit − scope_fail − scope_success − unique_resource   Parallelism library extensions v2  (parallelism TS v2) simd   Concurrency library extensions  (concurrency TS)   Transactional Memory  (TM TS)   Reflection  (reflection TS)
External Links  −  Non-ANSI/ISO Libraries  −  Index  −  std Symbol Index