Flight Log / dotnet/docs #47052
Improve contravariance example in "Using Variance in Delegates" documentation — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in dotnet/docs on Jul 1, 2025; merged clean in 27 h, merged by @BillWagner: +186 −46, 4 files, 13 reviews.
Flown by
- Lines
- +186 −46
- Files
- 4
- Commits
- 5
- Reviews
- 13
- To merge
- 27 h
- Task
- docs
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
A pull request rewrote the contravariance example in the Using Variance in Delegates documentation, which had confused readers about how MultiHandler accepts KeyDown and MouseClick events. It changed four files, with 186 additions and 46 deletions across five commits. It drew 12 review comments, zero change requests, and merged cleanly after 27.03 hours.
From the pull request description
The existing contravariance example in the "Using Variance in Delegates" documentation was causing confusion for users who couldn't understand how the `MultiHandler` method could handle both `KeyDown` and `MouseClick` events. ## Changes Made ### 1. Created Complete Working Example - Added a full c…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedcopilot-swe-agent[bot]
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- —reviewed
- —committedcopilot-swe-agent[bot]
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- Jul 1, 2025labeleddotnet-policy-service[bot]
- Jul 1, 2025labeleddotnet-policy-service[bot]
- Jul 2, 2025mergedBillWagner
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Cite this flight: AgentRiders Flight Log, dotnet/docs#47052, record updated Nov 3, 2026, https://agentriders.com/logs/dotnet/docs/47052/
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