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The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

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moved from https://github.com/fsharp/fsharp/issues/802 by @FrankBro by @FrankBro : Anonymous interface implementation accessibility when tuple deconstruction is used #### Repro steps ```fsharp module private PM = type PT = abstract A...

Bug
Impact-Medium
Area-Compiler-PatternMatching

Create a solution with two Console Application projects: ConsoleApplication1\Program.fs: ``` f# module SharedValue let hello = "Hello" |> id ``` ConsoleApplication2\Program.fs (references ConsoleApplication1) ``` f# match SharedValue.hello with | null...

Bug
Impact-Medium
Theme-Simple-F#
Area-Diagnostics

👋 Hey there! I've been running down the issue https://github.com/ionide/proj-info/issues/171 with regard to getting `Ionide.ProjInfo` working on dotnet 7. After doing some updates, I was able to get it to...

Bug
Impact-High
Area-Build

`fsc` support for compiling .fsx files could be improved by packaging all the runtime dependencies in the output folder, next to the compiled .exe. **Describe the solution you'd like** I'd...

Feature Request
Area-FSI

.NET 9 will support ref structs in generics as well as new constraint. A bunch of new APIs will be utilising it, hence it needs to be supported in F#...

Feature Request
Needs-RFC
Feature Improvement
Area-Compiler-Checking
Area-Compiler-ImportAndInterop

As discussed in https://github.com/dotnet/fsharp/pull/16302#issuecomment-1819873057 This is just to have the tests under CI check in case the code gen happens to change for any reason. Note that I've put json...

**Is your feature request related to a problem? Please describe.** C# is getting Hot Reload for .NET 6. Will F# receive the same experience? Roslyn [has had work done to...

Feature Request
Area-Debug

![图片](https://github.com/dotnet/fsharp/assets/43789618/6ad803cf-cf9d-4496-8466-286922b5a3ee) **Repro steps** Input following code into fsi: ```fsharp let (|T|) (f: _ -> _) = ();; match id with T -> ();; let (T) = id;; ``` **Expected behavior**...

Bug
Impact-Low
Area-Compiler-Checking

I noticed minor issue with tooltips, that affects both VS & Rider: ```fsharp type Foo = | F = 1 | G = 2 ``` Visual Studio (Version 17.10.0 Preview...

Feature Improvement
Area-LangService-ToolTips

Please provide a succinct description of the issue. Array indexing within a an `Expression` is mapped to a `GetArray` call (in line with how it works for `Expr` ?) rather...

Bug
Impact-Low
Area-Queries