All C++ Keywords

All C++ Keywords

A compact scan page listing C++ keywords and keyword-like alternative tokens in grouped form.

How to use this reference page

Use reference pages to confirm names, categories, nearby facilities, and the constraints that matter before writing or reviewing code.

Scan the top of the page first to identify the primary types, functions, or algorithm families involved.
Use the nearby-page links when your question is really about a companion header, related algorithm family, or broader subsystem.
Validate tricky behavior with a small compileable example before relying on memory for details like invalidation, ordering, allocation, or lifetime rules.

All C++ Keywords

This page is optimized for scanning. Use C++ language reference when you want more explanation.

Core control flow

if, else, switch, case, default
for, while, do, break, continue, goto, return
try, catch, throw

Declarations and object model

class, struct, union, enum
typename, typedef, using
namespace, template, concept, requires
public, protected, private
friend, virtual, override, final, explicit, inline

Types, storage, and qualifiers

bool, char, char8_t, char16_t, char32_t, wchar_t
short, int, long, signed, unsigned
float, double, void
const, volatile, mutable
static, extern, thread_local, register

Dynamic, reflection, and type queries

new, delete
typeid, decltype
sizeof, alignof, noexcept
static_cast, dynamic_cast, const_cast, reinterpret_cast

Functions, special names, and literals

auto, operator, this, nullptr
true, false

Compile-time and modern keywords

constexpr, consteval, constinit
co_await, co_yield, co_return
module, import, export

Alternative operator tokens

and, and_eq
bitand, bitor
compl
not, not_eq
or, or_eq
xor, xor_eq

Legacy or implementation-specific notes

asm and some compiler-specific extensions may appear in toolchains, but they are not what you should reach for first in portable modern code.

Practical use

Use this page to confirm spelling and quickly scan the language surface.
Then jump to C++ language reference or Operators and punctuators for context.

Example in practice

int main() {
    int total = 0;
    for (int i = 0; i < 4; ++i) {
        total += i;
    }

    return total == 6 ? 0 : 1;
}