Try to remove the first item into *item without blocking.
Synopsis
Declared in <bdlcc_deque.h>
int
tryPopFront(TYPE* item);Description
If this container is non‐empty, remove the first item, load that item into the specified *item, and return 0 indicating success. If this container is empty, return a non‐zero value with no effect on *item or the state of this container.
Return Value
0 on success, and a non‐zero value if the container is empty
Parameters
Name |
Description |
item |
address at which to load the removed value |
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