Libreria standard C++

Generici

<any>

Novità in C++17. Fornisce una classe senza tipo std::any.

<atomic>

Novità in C++11. Fornisce la classe template std::atomic, le sue diverse specializzazioni di modelli e più operazioni atomiche.

<chrono>

Fornisce funzioni per le temporizzazioni, come std::chrono::duration, std::chrono::time_point e orologi. A partire da C++20, le novità aggiunte sono calendari, fusi orari, nuovi orologi e stringhe di formattazione per orari e intervalli.

<concepts>

Novità in C++20. Fornisce la libreria per le concepts.

<functional>

Fornisce diverse funzioni oggetto, realizzate per l'uso con algoritmi standard.

<memory>

Fornisce funzioni per la gestione della memoria in C++, includendo la classe template std::unique_ptr.

<memory_resource>

Novità in C++17. Fornisce facilities for creating polymorphic memory allocators whose behaviors can change at runtime.

<scoped_allocator>

Novità in C++11. Fornisce std::scoped_allocator_adaptor.

<stdexcept>

Contains standard exception classes such as std::logic_error and std::runtime_error, both derived from std::exception.

<system_error>

Novità in C++11. Definisce std::error_code

<optional>

Novità in C++17. Fornisce la classe template std::optional per i tipi opzionali.

<stacktrace>

Novità in C++23. Fornisce le operazioni stack trace.

<tuple>

Novità in C++11 e TR1. Fornisce la classe template std::tuple, una tupla.

<type_traits>

Novità in C++11. Fornisce funzioni di metaprogrammazione per lavorare con i tipi.

<utility>

Fornisce various utilities: class template std::pair (two-member tuples), compile-time integer sequences, helpers in constructing vocabulary types, functions such as std::move and std::forward, and many more. The namespace std::rel_ops for automatically generating comparison operators is deprecated in C++20 in favor of new defaulted comparison operators.

<variant>

Novità in C++17. Fornisce la classe template std::variant, a tagged union type.

Supporto del linguaggio

<compare>

Novità in C++20. Fornisce il supporto al nuovo operatore a tre vie.

<coroutine>

Novità in C++20. Fornisce il supporto alle coroutine.

<exception>

Fornisce several types and functions related to exception handling, including std::exception, the base class of all exceptions thrown by the Standard Library.

<initializer_list>

Novità in C++11. Fornisce il supporto alle liste di inizializzatori.

<limits>

Fornisce la classe template std::numeric_limits, used for describing properties of fundamental numeric types.

<new>

Fornisce gli operatori new e delete oltre che altre funzioni e tipi, i quali compongono i fondamenti della gestione della memoria in C++.

<source_location>

Novità in C++20. Fornisce capturing source location information as alternative to predefined macros such as __LINE__.

<typeinfo>

Fornisce facilities for working with C++ run-time type information.

<version>

Novità in C++20. Fornisce informazioni riguardo l'implementazione corrente della libreria standard C++.

Strutture dati

<array>

Novità in C++11 and TR1. Fornisce the container class template std::array, a container for a fixed sized array.

<bitset>

Fornisce the specialized container class std::bitset, a bit array.

<deque>

Fornisce the container class template std::deque, a double-ended queue.

<forward_list>

Novità in C++11 and TR1. Fornisce the container class template std::forward_list, a singly linked list.

<list>

Fornisce the container class template std::list, a doubly linked list.

<map>

Fornisce the container class templates std::map and std::multimap, sorted associative array and multimap.

<queue>

Fornisce the container adapter class std::queue, a single-ended queue, and std::priority_queue, a priority queue.

<set>

Fornisce the container class templates std::set and std::multiset, sorted associative containers or sets.

<span>

Novità in C++20. Fornisce the container adapter class template std::span, a mutable non-owning view that refers to any contiguous range.

<stack>

Fornisce the container adapter class std::stack, a stack.

<unordered_map>

Novità in C++11 and TR1. Fornisce the container class template std::unordered_map and std::unordered_multimap, hash tables.

<unordered_set>

Novità in C++11 and TR1. Fornisce the container class template std::unordered_set and std::unordered_multiset.

<vector>

Fornisce the container class template std::vector, a dynamic array.

Iteratori e intervalli

<algorithm>

Fornisce definitions of many container algorithms.

<execution>

Fornisce execution policies for parallelized algorithms.

<iterator>

Fornisce classes and templates for working with iterators.

<ranges>

Novità in C++20. Fornisce ranges facilities and lazy evaluated adaptors.

Localizzazione

<locale>

Definisce classes and declares functions that encapsulate and manipulate the information peculiar to a locale.

<codecvt>

Fornisce code conversion facets for various character encodings. Questo header è deprecato a partire da C++17.

Stringhe

<charconv>

Novità in C++17. Fornisce a locale-independent, non-allocating, and non-throwing string conversion utilities from/to integers and floating points.

<format>

Novità in C++20. Fornisce a modern way of formatting strings including std::format.

<string>

Fornisce the C++ standard string classes and templates.

<string_view>

Novità in C++17. Fornisce class template std::basic_string_view, an immutable non-owning view to any string.

<regex>

Novità in C++11. Fornisce utilities for pattern matching strings using regular expressions.

Streams, Files, e Input/Output

<filesystem>

Novità in C++17. Fornisce facilities for file system operations and their components.

<fstream>

Fornisce facilities for file-based input and output. See fstream.

<iomanip>

Fornisce facilities to manipulate output formatting, such as the base used when formatting integers and the precision of floating point values.

<ios>

Fornisce several types and functions basic to the operation of iostreams.

<iosfwd>

Fornisce forward declarations of several I/O-related class templates.

<iostream>

Fornisce le basi per gestire l'input e l'output in C++. Vedere iostream.

<istream>

Fornisce std::istream e altre classi di support per l'input.

<ostream>

Fornisce std::ostream e altre classi di supporto per l'output.

<spanstream>

Novità in C++23. Fornisce std::spanstream and other fixed character buffer I/O streams.

<sstream>

Fornisce std::stringstream and other supporting classes for string manipulation.

<streambuf>

Fornisce reading and writing functionality to/from certain types of character sequences, such as external files or strings.

<syncstream>

Novità in C++20. Fornisce std::osyncstream and other supporting classes for synchronized output streams.

Libreria di supporto dei thread

<barrier>

Novità in C++20. Fornisce std::barrier, a reusable thread barrier.

<condition_variable>

Novità in C++11. In 32.6-1, condition variables provide synchronization primitives used to block a thread until notified by some other thread that some condition is met or until a system time is reached.

<future>

Novità in C++11. In 32.9.1-1, this section describes components that a C++ program can use to retrieve in one thread the result (value or exception) from a function that has run in the same thread or another thread.

<latch>

Novità in C++20. Fornisce std::latch, a single-use thread barrier.

<mutex>

Novità in C++11. In 32.5-1, this section Fornisce mechanisms for mutual exclusion: mutexes, locks, and call once.

<shared_mutex>

Novità in C++14. Fornisce funzioni per la mutua esclusione condivisa.

<semaphore>

Novità in C++20. Fornisce semafori che modellano un conteggio non negativo delle risorse.

<stop_token>

Novità in C++20. In 32.3.1-1, this section describes components that can be used to asynchronously request that an operation stops execution in a timely manner, typically because the result is no longer required. Such a request is called a stop request.

<thread>

Novità in C++11. Provide class and namespace for working with threads.

Libreria numerica

Components that C++ programs may use to perform seminumerical operations.

<bit>

Novità in C++20. Fornisce funzioni per la manipolazione dei bit.

<complex>

Definisce a class template std::complex, and numerous functions for representing and manipulating complex numbers.

<numbers>

Novità in C++20. Fornisce mathematical constants defined in namespace std::numbers.

<random>

Novità in C++11. Contiene funzioni per generare numeri e ripartizioni (pseudo-)casuali.

<ratio>

Novità in C++11. Fornisce compile-time rational arithmetic based on class templates.

<valarray>

Definisce five class templates (std::valarray, std::slice_array, std::gslice_array, std::mask_array, and std::indirect_array), two classes (std::slice and std::gslice), and a series of related function templates for representing and manipulating arrays of values.

<numeric>

Per le operazioni numeriche generalizzate.