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storage_ptr::storage_ptr (3 of 5 overloads)

Constructor.

Synopsis
template<
    class T>
storage_ptr(
    polymorphic_allocator< T > const& alloc);
Description

This constructs a non-owning pointer that points to the same memory resource as alloc, obtained by calling alloc.resource(). The caller is responsible for maintaining the lifetime of the pointed-to memory_resource.

Constraints
std::is_convertible< T*, memory_resource* >::value == true
Exception Safety

No-throw guarantee.

Parameters

Name

Description

alloc

A polymorphic_allocator to construct from.


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