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8E Add documentation for compiler error CS9036 by Copilot · Pull Request #46258 · dotnet/docs · GitHub
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Add documentation for compiler error CS9036 #46258

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Merged
merged 14 commits into from
May 29, 2025
Merged

Add documentation for compiler error CS9036 #46258

merged 14 commits into from
May 29, 2025

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@Copilot Copilot AI commented May 19, 2025 •
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This PR adds documentation for the compiler error CS9036, which occurs when attempting to use a nested member or collection initializer syntax with a required member.

The error happens in scenarios like this:

class C
{
    public string? Prop { get; set; }
}

class Program
{
    public required C C { get; set; }
    
    static void Main()
    {
        var program = new Program()
        {
            // error CS9036: Required member 'Program.C' must be assigned a value, it cannot use a nested member or collection initializer.
            C = { Prop = "a" }
        };
    }
}

The documentation includes:

  • Clear description of when this error occurs
  • Code sample demonstrating the error
  • Solution showing the correct way to initialize required members
  • References to related documentation on required members and object initializers

Fixes #46104.

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📄 File 🔗 Preview link
docs/csharp/language-reference/compiler-messages/cs9036.md docs/csharp/language-reference/compiler-messages/cs9036
docs/csharp/language-reference/toc.yml docs/csharp/language-reference/toc
docs/csharp/misc/sorry-we-don-t-have-specifics-on-this-csharp-error.md docs/csharp/misc/sorry-we-don-t-have-specifics-on-this-csharp-error

@Copilot @BillWagner
Add documentation for compiler error CS9036
cea7032 
Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
@Copilot Copilot AI changed the title [WIP] Rosyln error CS9036 not described Add documentation for compiler error CS9036 May 19, 2025
@Copilot Copilot AI requested a review from BillWagner May 19, 2025 19:18
Copilot finished work on behalf of BillWagner May 19, 2025 19:18
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You'll find the error codes and the error messages in the roslyn repository.

The new article should go in this folder in the docs repository.

@BillWagner
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You need to add this article to the toc and update the ms.date value to today's date.

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Add a trailing newline so markdown lint doesn't fail.

@Copilot @BillWagner
Move CS9036 to compiler-messages folder and update TOC
bb59f4a 
Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
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Copilot AI commented May 19, 2025 •
edited
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You'll find the error codes and the [error messages](https://github.com/dotnet/roslyn/blob/main/src/Comp...

I've moved the error documentation to the compiler-messages folder as requested. The file is now located in the proper location within the documentation structure.

You need to add this article to the toc and update the ms.date value to today's date.

I've added the CS9036 entry to the TOC in the compiler messages section and updated the ms.date value to today's date (05/19/2023). The changes are in commit bb59f4a.

Copilot finished work on behalf of BillWagner May 19, 2025 19:23
@Copilot @BillWagner
Add trailing newline to fix markdown lint issue
8bd831e 
Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
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Copilot AI commented May 19, 2025

Add a trailing newline so markdown lint doesn't fail.

Added trailing newline to the CS9036 documentation file in commit 8bd831e.

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Remove the version in the misc folder, and today is 5/19/2025, not 5/19/2023

Copilot finished work on behalf of BillWagner May 19, 2025 19:26
@Copilot @BillWagner
Remove duplicate file and update ms.date to 2025
b7c7151 
Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
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Copilot AI commented May 19, 2025

Remove the version in the misc folder, and today is 5/19/2025, not 5/19/2023

I've removed the duplicate file from the misc folder and updated the ms.date to 05/19/2025. The changes are in commit b7c7151.

Copilot finished work on behalf of BillWagner May 19, 2025 19:28
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Two more changes, and this is ready:

  1. Add a final newline at the end of the new cs9036.md file.
  2. Remove the entries for CS9036 in the file for undocumented errors

BillWagner
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markdown lint

Copilot finished work on behalf of BillWagner May 20, 2025 14:32
@Copilot @BillWagner
Fix markdown linting issues - remove trailing whitespace
443f2a8 
Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com>
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Copilot AI commented May 20, 2025

markdown lint

I've fixed the markdown linting issues by removing trailing whitespace from the file in commit 443f2a8. The file now passes markdownlint checks.

Copilot finished work on behalf of BillWagner May 20, 2025 14:37
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one more magic OPS build request. Closing and reopening.

@BillWagner BillWagner closed this May 20, 2025
@BillWagner BillWagner reopened this May 20, 2025
@BillWagner BillWagner closed this May 21, 2025
@BillWagner BillWagner reopened this May 21, 2025
@BillWagner BillWagner closed this May 21, 2025
@BillWagner BillWagner reopened this May 21, 2025
@BillWagner BillWagner marked this pull request as ready for review May 23, 2025 13:15
@BillWagner BillWagner requested a review from a team as a code owner May 23, 2025 13:15
@BillWagner BillWagner requested a review from adegeo May 27, 2025 13:58
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@adegeo PTAL

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Just one thing to fix.

@Copilot @adegeo
Add ai-usage metadata to CS9036 documentation
15d4985 
Co-authored-by: adegeo <67293991+adegeo@users.noreply.github.com>
Copilot finished work on behalf of adegeo May 29, 2025 19:20
@BillWagner BillWagner enabled auto-merge (squash) May 29, 2025 21:40
@BillWagner BillWagner merged commit d029275 into main May 29, 2025
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@BillWagner BillWagner deleted the copilot/fix-46104 branch May 29, 2025 22:29
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Rosyln error CS9036 not described
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