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Quick Summary
Wrap an external paginated API to serve a continuous, sequential stream of items.
Maintain internal state to track the current page and position within its buffer.
Fetch new pages on-demand only when the current buffer is exhausted.
What This Tests
Stateful iterator design and interface adaptation
Buffer management for streaming data
Handling variable chunk sizes and end-of-data boundaries
Memory efficiency through lazy loading
Common Patterns
Iterator Pattern
Lazy Loading
Buffer Management
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