Claude Code session 899cf092-e2ef-447a-a6fb-df3b011653f9
2026-07-25 14:55
1 messages
899cf092-e2ef-447a-a...
ASSISTANT (claude-code, claude-sonnet-5)
Two common uses of a hash map:
1. **Fast lookups** — storing key-value pairs for O(1) average-time retrieval, like looking up a user record by ID.
2. **Counting/deduplication** — tallying frequency of items (e.g., word counts) or tracking which elements have already been seen.
2026-07-25T09:20