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leanprover / lean4 Public

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Back to pull request #11578

refactor: `HashMap`/`TreeMap` and their extensional variants to use `getElem` instance #20998

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refactor: `HashMap`/`TreeMap` and their extensional variants to use `getElem` instance

refactor: `HashMap`/`TreeMap` and their extensional variants to use `getElem` instance #20998

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Summary
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- check-lean-files
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- Usage
- Workflow file

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check-lean-files

check-lean-files

succeeded Dec 10, 2025 in 54s

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