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Merged
T-Gro merged 5 commits into from
Feb 27, 2026
Merged

Support #exit;; as alias to #quit;; in fsi #19329

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6d367ba
Support #exit;; as alias to #quit;; in fsi
bbatsov Feb 19, 2026
7b141ce
Add release note for #exit directive support
bbatsov Feb 19, 2026
6205df0
Merge branch 'main' into support-exit-directive-in-fsi
T-Gro Feb 25, 2026
2f830ed
Make DependencyManagerInteractiveTests help assertions less brittle
bbatsov Feb 25, 2026
110c10f
Merge branch 'main' into support-exit-directive-in-fsi
T-Gro Feb 27, 2026
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2 changes: 2 additions & 0 deletions docs/release-notes/.FSharp.Compiler.Service/10.0.300.md
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Expand Up @@ -28,6 +28,8 @@
* FSharpType: add ImportILType ([PR #19300](https://github.com/dotnet/fsharp/pull/19300))
* Type checker: recover on argument/overload checking ([PR #19314](https://github.com/dotnet/fsharp/pull/19314))

* Support `#exit;;` as alias to `#quit;;` in F# Interactive. ([PR #19329](https://github.com/dotnet/fsharp/pull/19329))

### Changed

* Centralized product TFM (Target Framework Moniker) into MSBuild props file `eng/TargetFrameworks.props`. Changing the target framework now only requires editing one file, and it integrates with MSBuild's `--getProperty` for scripts.
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3 changes: 2 additions & 1 deletion src/Compiler/Interactive/fsi.fs
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Expand Up @@ -1295,6 +1295,7 @@ type internal FsiCommandLineOptions(fsi: FsiEvaluationSessionHostConfig, argv: s

fsiConsoleOutput.uprintfn """ #clear;; // %s""" (FSIstrings.SR.fsiIntroTextHashclearInfo ())
fsiConsoleOutput.uprintfn """ #quit;; // %s""" (FSIstrings.SR.fsiIntroTextHashquitInfo ())
fsiConsoleOutput.uprintfn """ #exit;; // %s""" (FSIstrings.SR.fsiIntroTextHashquitInfo ())
fsiConsoleOutput.uprintfn ""
fsiConsoleOutput.uprintfnn "%s" (FSIstrings.SR.fsiIntroTextHeader2commandLine ())
fsiConsoleOutput.uprintfn "%s" (FSIstrings.SR.fsiIntroTextHeader3 helpLine)
Expand Down Expand Up @@ -3885,7 +3886,7 @@ type FsiInteractionProcessor
fsiOptions.ClearScreen()
istate, Completed None

| ParsedHashDirective(("q" | "quit"), [], _) -> fsiInterruptController.Exit()
| ParsedHashDirective(("q" | "quit" | "exit"), [], _) -> fsiInterruptController.Exit()

| ParsedHashDirective("help", hashArguments, m) ->
let args = (parsedHashDirectiveArguments hashArguments tcConfigB.langVersion)
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44 changes: 8 additions & 36 deletions tests/FSharp.Compiler.Private.Scripting.UnitTests/DependencyManagerInteractiveTests.fs
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Expand Up @@ -720,63 +720,35 @@ x |> Seq.iter(fun r ->

[<Fact>]
member _.``Verify that #help produces help text for fsi + dependency manager``() =
let expected = """
F# Interactive directives:

#r "file.dll";; // Reference (dynamically load) the given DLL
#i "package source uri";; // Include package source uri when searching for packages
#I "path";; // Add the given search path for referenced DLLs
#load "file.fs" ...;; // Load the given file(s) as if compiled and referenced
#time ["on"|"off"];; // Toggle timing on/off
#help;; // Display help
#help "idn";; // Display documentation for an identifier, e.g. #help "List.map";;
#r "nuget:FSharp.Data, 3.1.2";; // Load Nuget Package 'FSharp.Data' version '3.1.2'
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit

F# Interactive command line options:"""

use script = new FSharpScript(quiet = false, langVersion = LangVersion.V80)

use capture = new TestConsole.ExecutionCapture()
let _opt = script.Eval("#help") |> getValue

let output = capture.OutText

Assert.Contains(expected, output)
// Verify dependency manager lines are present in help output
Assert.Contains("""#r "nuget:FSharp.Data, 3.1.2";;""", output)
Assert.Contains("""#r "nuget:FSharp.Data";;""", output)
Assert.Contains("""#i "package source uri";;""", output)

// this is the end of the line each different platform has a different mechanism for starting fsi
// Actual output looks similar to: """ See 'testhost --help' for options"""
Assert.EndsWith("--help' for options", output.Trim())

[<Fact>]
member _.``Verify that #help produces help text for fsi + dependency manager language version preview``() =
let expected = """
F# Interactive directives:

#r "file.dll";; // Reference (dynamically load) the given DLL
#i "package source uri";; // Include package source uri when searching for packages
#I "path";; // Add the given search path for referenced DLLs
#load "file.fs" ...;; // Load the given file(s) as if compiled and referenced
#time ["on"|"off"];; // Toggle timing on/off
#help;; // Display help
#help "idn";; // Display documentation for an identifier, e.g. #help "List.map";;
#r "nuget:FSharp.Data, 3.1.2";; // Load Nuget Package 'FSharp.Data' version '3.1.2'
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit

F# Interactive command line options:"""

use script = new FSharpScript(quiet = false, langVersion = LangVersion.Preview)

use capture = new TestConsole.ExecutionCapture()
let _opt = script.Eval("#help") |> getValue

let output = capture.OutText

Assert.Contains(expected, output)
// Verify dependency manager lines are present in help output
Assert.Contains("""#r "nuget:FSharp.Data, 3.1.2";;""", output)
Assert.Contains("""#r "nuget:FSharp.Data";;""", output)
Assert.Contains("""#i "package source uri";;""", output)

// this is the end of the line each different platform has a different mechanism for starting fsi
// Actual output looks similar to: """ See 'testhost --help' for options"""
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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.1000.stdout.bsl
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Expand Up @@ -1106,6 +1106,7 @@ type 'a T4063 = | AT4063 of 'a
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.200.stdout.bsl
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Expand Up @@ -426,6 +426,7 @@ type 'a T4063 = | AT4063 of 'a
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.47.stdout.bsl
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Expand Up @@ -4063,6 +4063,7 @@ type 'a T4063 = | AT4063 of 'a
#help "idn";; // Display documentation for an identifier, e.g. #help "List.map";;
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.multiemit.stdout.bsl
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Expand Up @@ -4065,6 +4065,7 @@ type 'a T4063 = | AT4063 of 'a
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.off.stdout.bsl
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Expand Up @@ -253,6 +253,7 @@ type 'a T4063 = | AT4063 of 'a
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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1 change: 1 addition & 0 deletions tests/fsharp/core/printing/output.stdout.bsl
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Expand Up @@ -4065,6 +4065,7 @@ type 'a T4063 = | AT4063 of 'a
#r "nuget:FSharp.Data";; // Load Nuget Package 'FSharp.Data' with the highest version
#clear;; // Clear screen
#quit;; // Exit
#exit;; // Exit

F# Interactive command line options:

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