C++ reference

 

C++

Compiler support

Freestanding and hosted

Language

Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

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)

Concurrency support library (C++11)

Execution support library (C++26)

Technical specifications

Symbols index

External libraries

 

FAQ ASCII chart Compiler support Language Basic concepts Preprocessor Keywords Operator precedence Escape sequences Fundamental types Headers Concepts Utilities library Type support    (basic types, RTTI, type traits) Dynamic memory management Error handling Program utilities Date and time bitset Function objects pair  −   tuple (C++11) integer_sequence (C++14)

Strings library basic_string Null-terminated byte strings Null-terminated multibyte strings Null-terminated wide strings Containers library array (C++11) vector deque list forward_list (C++11) set multiset map multimap unordered_set (C++11) unordered_multiset (C++11) unordered_map (C++11) unordered_multimap (C++11) stack queue priority_queue Algorithms library Iterators library Numerics library Common mathematical functions Complex numbers Pseudo-random number generation

Input/output library basic_streambuf basic_filebuf basic_stringbuf ios_base basic_ios basic_istream basic_ostream basic_iostream basic_ifstream basic_ofstream basic_fstream basic_istringstream basic_ostringstream basic_stringstream I/O manipulators C-style I/O Localizations library Regular expression library (C++11) Atomic operations library (C++11) Thread support library (C++11) Technical Specifications