Module queue 

Queue / Deque Storage Module

FIFO/LIFO message queue with:

• Push/Pop from both ends (deque)
• Consumer groups with acknowledgment
• Dead-letter queue support
• Priority queue mode
• Per-message TTL

Modules

consumer_group

Consumer Groups for Queue

deque

Core Queue / Deque implementation

mode

Structs

ConsumerGroup

A consumer group manages message delivery and acknowledgment for a set of consumers reading from the same queue.

PendingEntry

A pending message awaiting acknowledgment

QueueStore

Core queue data structure supporting FIFO, LIFO, and priority modes.

Enums

QueueMode

QueueSide

Which end of the queue to push/pop from