C++ reference

 

C++

Compiler support

Freestanding and hosted

Language

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Diagnostics library

General utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical specifications

Symbols index

External libraries

 

C++98, C++03, C++11, C++14, C++17, C++20, C++23   │   Compiler support C++11, C++14, C++17, C++20, C++23
Freestanding implementations Language Basic concepts Keywords Preprocessor Expressions Declaration Initialization Functions Statements Classes Overloading Templates Exceptions Headers Named requirements Feature test macros (C++20) Language support library Source code information (C++20) Type support  −  traits (C++11) Program utilities Coroutine support (C++20) Three-way comparison (C++20) numeric_limits  −  type_info initializer_list (C++11) Concepts library (C++20)	Diagnostics library General utilities library Smart pointers and allocators   unique_ptr (C++11)   shared_ptr (C++11) Date and time Function objects  −  hash (C++11) String conversions (C++17) Utility functions pair  −   tuple (C++11) optional (C++17)  −  any (C++17) variant (C++17)  −  format (C++20) Strings library basic_string basic_string_view (C++17) Null-terminated strings:   byte  −  multibyte  −  wide Containers library array (C++11)  −  vector  −  deque map  −  unordered_map (C++11) set  −  unordered_set (C++11) priority_queue  −  span (C++20) Other containers:   sequence  −   associative   unordered associative  −  adaptors Iterators library	Ranges library (C++20) Algorithms library Numerics library Common math functions Mathematical special functions (C++17) Mathematical constants (C++20) Numeric algorithms Pseudo-random number generation Floating-point environment (C++11) Bit manipulation (C++20) complex  −  valarray ratio (C++11) Localizations library Input/output library Stream-based I/O Synchronized output (C++20) I/O manipulators Filesystem library (C++17) Regular expressions library (C++11) basic_regex  −  algorithms Atomic operations library (C++11) atomic  −  atomic_flag atomic_ref (C++20) Thread support library (C++11) thread‏‎ − mutex‏‎ condition_variable‏‎
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   Concurrency library extensions  (concurrency TS)   —   Transactional Memory  (TM TS)   Reflection  (reflection TS)
External Links  −  Non-ANSI/ISO Libraries  −  Index  −  std Symbol Index