> For the complete documentation index, see [llms.txt](https://cyberthreatdefense.gitbook.io/cppnotebook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cyberthreatdefense.gitbook.io/cppnotebook/readme.md).

# README

## C++ reference

### Core Language

#### Preprocessor and Basics

* 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 and Functions

* Declarations – Initialization
* Functions – Overloading
* Coroutines (C++20)

#### Object-Oriented and Templates

* Classes (unions)
* Templates – Exceptions
* Freestanding implementations

### Standard Library (Headers)

### Named Requirements

### Language Support Library

#### Utilities

* Program utilities
* Signals – Non-local jumps

#### Memory and Types

* Basic memory management
* Variadic functions
* Source location (C++20)
* Comparison utilities (C++20)
* Type support – `type_info`
* Numeric limits – exception
* `initializer_list` (C++11)

#### Modern Features

* Coroutine support (C++20)
* Contract support (C++26)

### Concepts Library (C++20)

***

## Standard Library Components

### 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

#### Sequence Containers

* `vector`, `deque`, `array` (C++11)
* `list`, `forward_list` (C++11)

#### Specialized Containers

* `inplace_vector` (C++26)
* `hive` (C++26)

#### Associative Containers

* `map`, `multimap`, `set`, `multiset`

#### Unordered Containers

* `unordered_map` (C++11)
* `unordered_multimap` (C++11)
* `unordered_set` (C++11)
* `unordered_multiset` (C++11)

#### Views and Adaptors

* 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)

***

## Specialized Libraries

### 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