20 Memory management library [mem]

20.4 Memory resources [mem.res]

20.4.6 Class monotonic_buffer_resource [mem.res.monotonic.buffer]

20.4.6.2 Constructors and destructor [mem.res.monotonic.buffer.ctor]

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explicit monotonic_buffer_resource(memory_resource* upstream); monotonic_buffer_resource(size_t initial_size, memory_resource* upstream);
1
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Preconditions: upstream is the address of a valid memory resource.
initial_size, if specified, is greater than zero.
2
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Effects: Sets upstream_rsrc to upstream and current_buffer to nullptr.
If initial_size is specified, sets next_buffer_size to at least initial_size; otherwise sets next_buffer_size to an implementation-defined size.
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monotonic_buffer_resource(void* buffer, size_t buffer_size, memory_resource* upstream);
3
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Preconditions: upstream is the address of a valid memory resource.
buffer_size is no larger than the number of bytes in buffer.
4
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Effects: Sets upstream_rsrc to upstream, current_buffer to buffer, and next_buffer_size to buffer_size (but not less than 1), then increases next_buffer_size by an implementation-defined growth factor (which need not be integral).
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~monotonic_buffer_resource();
5
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Effects: Calls release().