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
Preprocessor − Comments ASCII chart Basic concepts Keywords Names (lookup) Types (fundamental types) The main function Modules (C++20) Contracts (C++26) Expressions Value categories Evaluation order Operators (precedence) Conversions − Literals Constant expressions Statements if − switch for − range-for (C++11) while − do-while Declarations − Initialization Functions − Overloading Coroutines (C++20) Classes (unions) Templates − Exceptions Freestanding implementations
main
for
do
while
Standard library (headers)
Named requirements
Language support library
Program utilities Signals − Non-local jumps Basic memory management Variadic functions source_location (C++20) Comparison utilities (C++20) Type support − type_info numeric_limits − exception initializer_list (C++11) Coroutine support (C++20) Contract support (C++26)
Concepts library (C++20)
Diagnostics library
Assertions − System error (C++11) Exception types − Error numbers basic_stacktrace (C++23) Debugging support (C++26)
Memory management library
Allocators − Smart pointers Memory resources (C++17)
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) bitset − Bit manipulation (C++20)
Containers library
vector − deque − array (C++11) list − forward_list (C++11) inplace_vector (C++26) hive (C++26) 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)
Range factories − Range adaptors generator (C++23)
Algorithms library
Numeric algorithms Execution policies (C++17) Constrained algorithms (C++20)
Strings library
basic_string − char_traits basic_string_view (C++17)
Text processing library
Primitive numeric conversions (C++17) Formatting (C++20) − Localization text_encoding (C++26) Regular expressions (C++11) basic_regex − Algorithms Default regular expression grammar Null-terminated sequence utilities: byte − multibyte − wide
Numerics library
Common math functions Mathematical special functions (C++17) Mathematical constants (C++20) Basic linear algebra algorithms (C++26) Data-parallel types (SIMD) (C++26) Pseudo-random number generation Floating-point environment (C++11) complex − valarray
Date and time library
Calendar (C++20) − Time zone (C++20)
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)
Concurrency support library (C++11)
thread − jthread (C++20) atomic − atomic_flag atomic_ref (C++20) − memory_order Mutual exclusion − Condition variables Futures − Semaphores (C++20) latch (C++20) − barrier (C++20)Safe Reclamation (C++26)
Execution support library (C++26)
Feature test macros (C++20)
Language − Standard library − Headers
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)
