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C++ keyword: concept (since C++20)

From cppreference.com
< cpp‎ | keyword
 
C++
 
C++ language
General topics
Flow control
Conditional execution statements
if
Iteration statements (loops)
for
range-for (C++11)
Jump statements
Functions
Function declaration
Lambda function expression
inline specifier
Dynamic exception specifications (until C++17*)
noexcept specifier (C++11)
Exceptions
Namespaces
Types
Specifiers
const/volatile
decltype (C++11)
auto (C++11)
constexpr (C++11)
consteval (C++20)
constinit (C++20)
Storage duration specifiers
Initialization
Expressions
Alternative representations
Literals
Boolean - Integer - Floating-point
Character - String - nullptr (C++11)
User-defined (C++11)
Utilities
Attributes (C++11)
Types
typedef declaration
Type alias declaration (C++11)
Casts
Memory allocation
Classes
Class-specific function properties
explicit (C++11)
static

Special member functions
Templates
Miscellaneous
 
Keywords
(C++11)
(C++11)
(*)
(C++20)
(C++11)
(C++11)
concept
(C++20)
(C++20)
(C++11)
(C++20)
(C++26)  
(C++20)
(C++20)
(C++20)
(C++11)
Identifiers with special meaning
(C++11)
(C++20)
(C++20)
(C++11)
(C++26)
(C++26)
 

[edit] Usage

[edit] Notes

Feature-test macro Value Std Feature
__cpp_concepts 201907L (C++20) Constraints
202002L (C++20) Conditionally trivial special member functions

[edit] See also

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