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std::is_implicit_lifetime(3) C++ Standard Libary std::is_implicit_lifetime(3) NAME std::is_implicit_lifetime - std::is_implicit_lifetime Synopsis Defined in header <type_traits> template< class T > (since C++23) struct is_implicit_lifetime; std::is_implicit_lifetime is a UnaryTypeTrait. If T is an implicit-lifetime type, provides the member constant value equal to true. For any other type, value is false. The behavior is undefined if T is an incomplete type other than an array type or (possibly cv-qualified) void. If the program adds specializations for std::is_implicit_lifetime or std::is_implicit_lifetime_v, the behavior is undefined. Template parameters T - a type to check Helper variable template template< class T > inline constexpr bool is_implicit_lifetime_v = (since C++23) is_implicit_lifetime<T>::value; Inherited from std::integral_constant Member constants value true if T is an implicit-lifetime type, false otherwise [static] (public static member constant) Member functions operator bool converts the object to bool, returns value (public member function) operator() returns value (C++14) (public member function) Member types Type Definition value_type bool type std::integral_constant<bool, value> Notes Feature-test macro Value Std Feature __cpp_lib_is_implicit_lifetime 202302L (C++23) std::is_im- plicit_lifetime Example This section is incomplete Reason: example See also is_scalar checks if a type is a scalar type (C++11) (class template) is_array checks if a type is an array type (C++11) (class template) is_aggregate checks if a type is an aggregate type (C++17) (class template) start_lifetime_as implicitly creates objects in given storage with the object start_lifetime_as_array representation reused (C++23) (function template) Category: * Todo with reason http://cppreference.com 2024.06.10 std::is_implicit_lifetime(3)
NAME | Synopsis | Template parameters | Member constants | Member functions | Member types | Notes | Example | See also | Category:
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