Add example demonstrating generic extension blocks #50069
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canyon-online
November 20, 2025 17:53
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Pull Request Overview
This PR adds documentation and a code example demonstrating how to use generic type parameters with constraints in C# 14 extension blocks, addressing issue #50068.
Key changes:
- Added a new code snippet showing a generic extension block with
IEquatable<T>constraint - Updated documentation to explain that extension blocks support generic type parameters with or without constraints
- Updated the
ms.datefield to reflect the documentation change
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| CustomExtensionMembers.cs | Adds GenericExtensionBlock code snippet demonstrating a generic extension with IEquatable<T> constraint |
| extension-methods.md | Adds explanatory paragraph and references the new generic extension block example; updates documentation date |
docs/csharp/programming-guide/classes-and-structs/extension-methods.md
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blacksissyfem-prog
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Nov 20, 2025
BillWagner
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Nov 21, 2025
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Thanks @canyon-online
I do have a couple wording suggestions, then I'll merge.
docs/csharp/programming-guide/classes-and-structs/extension-methods.md
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Summary
Add paragraph demonstrating an example of a constrained generic for an extension block
Fixes #50068
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