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leanprover / lean4 Public

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Backport

feat: introduce `List.Cursor.pos` as an abbreviation for `prefix.length` #13769

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feat: introduce `List.Cursor.pos` as an abbreviation for `prefix.length`

feat: introduce `List.Cursor.pos` as an abbreviation for `prefix.length` #13769

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Summary
Jobs
- Backport
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- Usage
- Workflow file

Usage Workflow file

Backport

succeeded Oct 1, 2025 in 3s

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