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std:: make_obj_using_allocator

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Memory management library
( exposition only* )
Allocators
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Memory resources
Uninitialized storage (until C++20)
( until C++20* )
( until C++20* )
( until C++20* )

Garbage collector support (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
Defined in header <memory>
template < class T, class Alloc, class ... Args >
constexpr T make_obj_using_allocator ( const Alloc & alloc, Args && ... args ) ;
(since C++20)

Creates an object of the given type T by means of uses-allocator construction .

Equivalent to

Contents

Parameters

alloc - the allocator to use
args - the arguments to pass to T's constructor

Return value

The newly-created object of type T .

Exceptions

May throw any exception thrown by the constructor of T , typically including std::bad_alloc .

Example

See also

prepares the argument list matching the flavor of uses-allocator construction required by the given type
(function template)
creates an object of the given type at specified memory location by means of uses-allocator construction
(function template)