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std::experimental::pmr::null_memory_resource

From cppreference.com
 
 
 
 
 
memory_resource* null_memory_resource()noexcept;
(library fundamentals TS)

Returns a pointer to a memory_resource that doesn't perform any allocation.

[edit] Return value

Returns a pointer p to a static storage duration object of a type derived from std::experimental::pmr::memory_resource, with the following properties:

  • its allocate() function always throws std::bad_alloc;
  • its deallocate() function has no effect;
  • for any memory_resourcer, p->is_equal(r) returns &r == p.

The same value is returned every time this function is called.

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