in a .NET 4.x C# project to dynamically execute .NET 9 code?

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Quiet
Tech stack
csharp, powershell
Domain
compilers, devtools

Research direction

Start by reading the project's runtime-compilation and scripting entry points; no specific file or test is named in the issue. Compare the .NET 4.8 and .NET 9 environments with the provided PowerShell example, and establish whether this cross-runtime scenario is supported or what compatibility limitation must be documented.

Written by the indexing model from the issue text.

Description

Thank you for sharing this useful project.

I would like to know whether it is possible to use the westwind.script component in a .NET 4.x C# project to dynamically execute .NET 9 code.

My system environment:

  • .NET 4.8.0 runtime
  • .NET 9.0 runtime

By using the following code, I am able to execute .NET 9 code under PowerShell 5.1 (.NET 4.5).

pwsh -c {
$code = @'
using System;
public static class __cla
{
 public static void __fun()
 {
     Console.WriteLine("hello from .NET9!");
 }
}
'@
Add-Type -TypeDefinition $code -ReferencedAssemblies 'System.Console'
[__cla]::__fun()
}
Dominant language
C#
Stars
256
Forks
47
No merged PRs in 30d

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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