C++ keyword: constinit (since C++20)
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 C++ 
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 Concepts library (C++20)
 Metaprogramming library (C++11)
 Ranges library (C++20)
 Filesystem library (C++17)
 Concurrency support library (C++11)
 Execution control library (C++26)
C++ language 
 Flow control  Conditional execution statements Iteration statements (loops) Jump statements Functions  Function declaration  Lambda function expression  Dynamic exception specifications (until C++17*) Exceptions Namespaces Types Specifiers Storage duration specifiers  Initialization  Alternative representations  Literals  Boolean - Integer - Floating-point  Character - String - nullptr (C++11) User-defined (C++11) Utilities Attributes (C++11) Types Type alias declaration (C++11) Casts Memory allocation Classes  Class-specific function properties Special member functions Templates  Miscellaneous 
 
 
 
 
 
 
 
 
 
 
 
  General topics
inline specifier noexcept specifier (C++11)typedef declaration Keywords 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Identifiers with special meaning 
(C++11)
(C++11)
(*)
(C++20)
(C++11)
(C++11)
(C++20)
(C++20)
(C++11)
constinit
(C++20)
(C++26)
  (C++20)
(C++20)
(C++20)
(C++11)
[edit] Usage
[edit] Notes
| Feature-test macro | Value | Std | Feature | 
|---|---|---|---|
| __cpp_constinit | 201907L | (C++20) | constinit |