BloombergLP::bdlcc::Deque::tryPopFront

Synopses

Declared in <bdlcc_deque.h>

Remove up to maxNumItems from the front without blocking.

void
tryPopFront(size_type maxNumItems);

Try to remove the first item into *item without blocking.

int
tryPopFront(TYPE* item);

Remove up to maxNumItems from the front into buffer.

void
tryPopFront(
    size_type maxNumItems,
    bsl::vector<TYPE>* buffer);

Remove up to maxNumItems from the front into buffer.

void
tryPopFront(
    size_type maxNumItems,
    std::pmr::vector<TYPE>* buffer);

Remove up to maxNumItems from the front into buffer.

void
tryPopFront(
    size_type maxNumItems,
    std::vector<TYPE>* buffer);

0 on success, and a non-zero value if the container is empty

Name	Description
maxNumItems	maximum number of items to remove
item	address at which to load the removed value
buffer	vector that receives the removed items