BloombergLP::bdlcc::Queue::tryPopFront

tryPopFront overloads

Synopses

Declared in <bdlcc_queue.h>

Remove up to maxNumItems from the front of this queue.

void
tryPopFront(int maxNumItems);

Try to remove the first item into buffer without blocking.

int
tryPopFront(TYPE* buffer);

Same as the preceding overload, appending removed items to buffer.

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

Same as the preceding overload, appending removed items to buffer.

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

Same as the preceding overload, appending removed items to buffer.

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

0 on success, and a non‐zero value if the queue is empty

Name

Description

maxNumItems

maximum number of items to remove

buffer

receives the removed item on success

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