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C++ keyword: default

From cppreference.net
C++ language
General topics
Flow control
Conditional execution statements
Iteration statements (loops)
Jump statements
Functions
Function declaration
Lambda function expression
inline specifier
Dynamic exception specifications ( until C++17* )
noexcept specifier (C++11)
Exceptions
Namespaces
Types
Specifiers
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
Special member functions
Templates
Miscellaneous

사용법

  • 명시적으로 기본 설정된 함수 정의: 컴파일러에 클래스에 대한 특수 멤버 함수 또는 비교 연산자 (C++20부터) 를 생성하라는 명시적 지시사항으로 사용됩니다.
(C++11부터)

참고 항목

(C++17부터)
(C++23부터)
(C++20부터)