void release(); | (since C++17) |
Releases all allocated memory by calling the deallocate function on the upstream memory resource as necessary. Resets current buffer and next buffer size to their initial values at construction.
Memory is released back to the upstream resource even if deallocate has not been called for some of the allocated blocks.
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 3120 | C++17 | release might not make initial buffer reusable if provided | required to do so |
| deallocates memory (public member function of std::pmr::memory_resource) |
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