storage_ptr::make_shared_resource

Return shared ownership of a new, dynamically allocated memory resource.

Synopsis

Defined in header <boost/json/storage_ptr.hpp>

template<
    class U,
    class... Args>
friend storage_ptr
make_shared_resource(
    Args&&... args);

This function dynamically allocates a new memory resource as if by operator new that uses shared ownership. The lifetime of the memory resource will be extended until the last storage_ptr which points to it is destroyed.

Mandates

std::is_base_of< memory_resource, T >::value == true

Complexity

Same as new T( std::forward<Args>(args)... ).

Exception Safety

Strong guarantee.

Template Parameters

Type	Description
`T`	The type of memory resource to create.

Parameters

Name	Description
`args`	Parameters forwarded to the constructor of `T`.

Convenience header <boost/json.hpp>