Remove up to maxNumItems from the front into buffer.
Declared in <bdlcc_deque.h>
void
tryPopFront(
size_type maxNumItems,
std::vector<TYPE>* buffer);Remove up to the specified maxNumItems from the front of this container into the specified buffer. The removed items are appended to buffer as if by repeated application of buffer->push_back(popFront()) while the container is not empty and maxNumItems have not yet been removed. Note that *buffer is not cleared -- the popped items are appended after any pre-existing contents.
| Name | Description |
|---|---|
| maxNumItems | maximum number of items to remove |
| buffer | vector that receives the removed items |