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Use F#9 for the main lib #614

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bb813ef
Use F#9 for the main lib
gusty Feb 2, 2025
bb5de16
Remove F# core 6 ref in other projects
gusty Feb 2, 2025
7f84009
Remove F# core 6 ref in docs
wallymathieu Feb 2, 2025
e67eb6a
Compile Docs should not compile tests
wallymathieu Feb 2, 2025
21ef28a
Comment out code due to possible regression
gusty Feb 2, 2025
714fe0b
Comment out code due to possible regression
gusty Feb 2, 2025
f134028
Comment out code due to possible regression
gusty Feb 2, 2025
dc1c85b
Comment out code due to possible regression
gusty Feb 2, 2025
90e3f3d
Comment out code due to possible regression
gusty Feb 2, 2025
ac945e9
Comment out code due to possible regression
gusty Feb 2, 2025
86a31b0
Use F# 10
gusty Nov 13, 2025
d317607
Avoid new warning
gusty Nov 13, 2025
ed1b154
+.net 9 and .net10
wallymathieu Nov 14, 2025
66320ea
specify .net 10
wallymathieu Nov 15, 2025
ce22ec7
Address non critical F#10 regression
gusty Nov 15, 2025
5b4f565
Uncomment possible regression from F#9
gusty Nov 16, 2025
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6 changes: 6 additions & 0 deletions .github/workflows/dotnetcore.yml
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Expand Up @@ -22,6 +22,8 @@ jobs:
uses: actions/setup-dotnet@v3
with:
dotnet-version: |
10.0.x
9.0.x
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@wallymathieu wallymathieu Nov 16, 2025

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do we need .net 9 ?

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@gusty gusty Nov 16, 2025

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Probably not

8.0.x
7.0.x
- name: Restore
Expand All @@ -46,6 +48,8 @@ jobs:
uses: actions/setup-dotnet@v3
with:
dotnet-version: |
10.0.x
9.0.x
8.0.x
7.0.x
6.0.x
Expand Down Expand Up @@ -90,6 +94,8 @@ jobs:
uses: actions/setup-dotnet@v3
with:
dotnet-version: |
10.0.x
9.0.x
8.0.x
7.0.x
6.0.x
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5 changes: 3 additions & 2 deletions build.proj
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Expand Up @@ -21,13 +21,14 @@
<!-- dotnet msbuild -target:AllDocs build.proj -->
<Target Name="AllDocs">
<Exec Command='dotnet tool restore' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<Exec Command='dotnet build FSharpPlus.sln -c Release' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<!-- compile docs-project since that implies F#+ as well: -->
<Exec Command='dotnet build src/FSharpPlus.Docs -c Release' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<Exec Command='dotnet run -c Release --project ./docsrc/tools' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
</Target>

<Target Name="ReleaseDocs">
<Exec Command='dotnet tool restore' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<Exec Command='dotnet build FSharpPlus.sln -c Release' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<Exec Command='dotnet build src/FSharpPlus -c Release' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
<Exec Command='dotnet run -c Release --project ./docsrc/tools ReleaseDocs' WorkingDirectory="$(RepoRootDir)" IgnoreStandardErrorWarningFormat="true" />
</Target>

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5 changes: 3 additions & 2 deletions global.json
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@@ -1,13 +1,14 @@
{
"sdk": {
"version": "8.0.0",
"version": "10.0.0",
"rollForward": "latestFeature",
"allowPrerelease": true
},

"additionalSdks": [
"5.0.405",
"6.0.201",
"7.0.100"
"7.0.100",
"8.0.100"
]
}
1 change: 0 additions & 1 deletion src/FSharpPlus.Docs/FSharpPlus.Docs.fsproj
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Expand Up @@ -54,7 +54,6 @@
<ItemGroup>
<ProjectReference Include="..\..\src\FSharpPlus\FSharpPlus.fsproj" />
<ProjectReference Include="..\..\src\FSharpPlus.TypeLevel\FSharpPlus.TypeLevel.fsproj" />
<PackageReference Update="FSharp.Core" Version="6.0.6" />
<PackageReference Include="MathNet.Numerics.FSharp" Version="4.8.1" />
</ItemGroup>
</Project>
4 changes: 2 additions & 2 deletions src/FSharpPlus.Docs/Samples/Collections.fsx
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Expand Up @@ -77,6 +77,6 @@ type WrappedListB'<'s> = WrappedListB' of 's list with // Same as B but without

let five = filter ((=) 5) (WrappedListB [1;2;3;4;5;6]) // <- Uses the default method for filter.

#nowarn // interrupt compilation
#nowarn 3873 // interrupt compilation

let five' = filter ((=) 5) (WrappedListB' [1;2;3;4;5;6]) // <- Uses the default method for filter.
let five' = filter ((=) 5) (WrappedListB' [1;2;3;4;5;6]) // <- Uses the default method for filter.
3 changes: 0 additions & 3 deletions src/FSharpPlus.TypeLevel/FSharpPlus.TypeLevel.fsproj
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Expand Up @@ -23,9 +23,6 @@
<!--<Compile Include="Providers/Matrix.Provider.fs" />
<Compile Include="Providers/TypeProviderAssembly.fs" />-->
</ItemGroup>
<ItemGroup>
<PackageReference Update="FSharp.Core" Version="6.0.6" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="../FSharpPlus/FSharpPlus.fsproj" />
</ItemGroup>
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3 changes: 0 additions & 3 deletions src/FSharpPlus.TypeLevel/Providers/FSharpPlus.Providers.fsproj
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Expand Up @@ -41,9 +41,6 @@
<Compile Include="Matrix.Provider.fs" />
<Compile Include="TypeProviderAssembly.fs" />
</ItemGroup>
<ItemGroup>
<PackageReference Update="FSharp.Core" Version="6.0.6" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="../FSharpPlus.TypeLevel.fsproj" />
</ItemGroup>
Expand Down
2 changes: 1 addition & 1 deletion src/FSharpPlus/Control/Collection.fs
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Expand Up @@ -448,7 +448,7 @@ type Split =
let inline call (a: 'a, b: 'b, s) = call_2 (a, b, s)
call (Unchecked.defaultof<Split>, source, sep) : '``'Collection<'OrderedCollection>``

type Split with
type Split with
static member inline Split ((e: '``'Collection<'OrderedCollection>``, x: '``'OrderedCollection``), [<Optional>]_impl: Default2) = x |> ToSeq.Invoke |> Seq.split (ToSeq.Invoke e) |> Seq.map OfSeq.Invoke |> OfSeq.Invoke : '``'Collection<'OrderedCollection>``

static member inline Split ((e: '``'Collection<'OrderedCollection>``, x: '``'OrderedCollection``), [<Optional>]_impl: Default1) = (^``'OrderedCollection`` : (static member Split : _*_->_) e, x) : '``'Collection<'OrderedCollection>``
Expand Down
4 changes: 2 additions & 2 deletions src/FSharpPlus/Data/NonEmptySeq.fs
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Expand Up @@ -224,10 +224,10 @@ module NonEmptySeq =
let create x xs = seq { yield x; yield! xs } |> unsafeOfSeq

/// Creates a NonEmptySeq range, containing at least the first element of the range
let (|..) starting ending = (if starting < ending then { starting .. ending } else Seq.singleton starting) |> unsafeOfSeq
let (|..) starting ending = (if starting < ending then seq { starting .. ending } else Seq.singleton starting) |> unsafeOfSeq

/// Creates a NonEmptySeq range, containing at least the last element of the range
let (..|) starting ending = (if starting < ending then { starting .. ending } else Seq.singleton ending) |> unsafeOfSeq
let (..|) starting ending = (if starting < ending then seq { starting .. ending } else Seq.singleton ending) |> unsafeOfSeq


/// <summary>Returns a new sequence that contains all pairings of elements from the first and second sequences.</summary>
Expand Down
8 changes: 2 additions & 6 deletions src/FSharpPlus/FSharpPlus.fsproj
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Expand Up @@ -21,15 +21,15 @@
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Configurations>Debug;Release;Fable;Test</Configurations>
<Platforms>AnyCPU</Platforms>
<LangVersion>8.0</LangVersion>
<LangVersion>10.0</LangVersion>
<LangVersion Condition=" '$(Configuration)' == 'Fable' ">6.0</LangVersion>

<DefineConstants Condition=" '$(Configuration)' == 'Test'">$(DefineConstants);TEST_TRACE</DefineConstants>
<DefineConstants Condition=" '$(Configuration)' == 'Fable'">$(DefineConstants);FABLE_COMPILER</DefineConstants>
<DefineConstants Condition=" '$(Configuration)' == 'Fable4'">$(DefineConstants);FABLE_COMPILER;FABLE_COMPILER_4</DefineConstants>
<TargetFramework>net8.0</TargetFramework>
<!--<OutputPath>..\..\bin</OutputPath>-->
</PropertyGroup>
</PropertyGroup>
<ItemGroup>
<Compile Include="Internals.fs" />
<Compile Include="Extensions/Option.fs" />
Expand Down Expand Up @@ -126,8 +126,4 @@
<Content Include="Math/*.fs" PackagePath="fable/Math" />
<Content Include="Data/*.fs" PackagePath="fable/Data" />
</ItemGroup>

<ItemGroup>
<PackageReference Update="FSharp.Core" Version="6.0.6" />
</ItemGroup>
</Project>
1 change: 0 additions & 1 deletion tests/FSharpPlus.Tests/FSharpPlus.Tests.fsproj
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Expand Up @@ -53,7 +53,6 @@
</ItemGroup>
<ItemGroup>
<PackageReference Include="System.Runtime" Version="4.3.1" />
<PackageReference Update="FSharp.Core" Version="6.0.6" />
<PackageReference Include="MathNet.Numerics.FSharp" Version="4.8.1" />
<PackageReference Include="NUnit" Version="3.13.3" />
<PackageReference Include="FsCheck" Version="2.16.5" />
Expand Down
26 changes: 17 additions & 9 deletions tests/FSharpPlus.Tests/General.fs
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Expand Up @@ -1192,13 +1192,16 @@ module Alternative =
let _ = choice (ofSeq s: Set<_>) // use Default3: choice of an alternative
Assert.AreEqual (fullList, SideEffects.get ()) // short-circuits but the conversion to set forces all side-effects

SideEffects.reset ()
let _ = choice (NonEmptyList.ofList (toList t)) // uses Default1 (Choice defined on NonEmptyList)
Assert.AreEqual (fullList, SideEffects.get ()) // short-circuits but the conversion to set forces all side-effects

SideEffects.reset ()
let _ = choice (WrappedSeqE t) // uses Default2
Assert.AreEqual ("Using WrappedSeqE's ToSeq"::shortList, SideEffects.get ()) // short-circuits
// Possible F# regressions:
// General.fs(1224,25): error FS0465: Type inference problem too complicated (maximum iteration depth reached).
// Consider adding further type annotations. [D:\a\FSharpPlus\FSharpPlus\tests\FSharpPlus.Tests\FSharpPlus.Tests.fsproj]
// SideEffects.reset ()
// let _ = choice (NonEmptyList.ofList (toList t)) // uses Default1 (Choice defined on NonEmptyList)
// Assert.AreEqual (fullList, SideEffects.get ()) // short-circuits but the conversion to set forces all side-effects
//
// SideEffects.reset ()
// let _ = choice (WrappedSeqE t) // uses Default2
// Assert.AreEqual ("Using WrappedSeqE's ToSeq"::shortList, SideEffects.get ()) // short-circuits

SideEffects.reset ()
let _ = choice (toList v) // uses specific overload for lists
Expand Down Expand Up @@ -1698,7 +1701,10 @@ module Curry =
let f16 (t1, t2, t3, t4, t5, t6, t7: float, t8: char, t9: decimal, t10, t11, t12, t13, t14, t15, t16) = [t1+t2+t3+t4+t5+t6+ int t7 + int t8+ int t9+t10+t11+t12+t13+t14+t15+t16]
let f17 (t1, t2, t3, t4, t5, t6, t7: float, t8: char, t9: decimal, t10, t11, t12, t13, t14, t15, t16, t17) = [t1+t2+t3+t4+t5+t6+ int t7 + int t8+ int t9+t10+t11+t12+t13+t14+t15+t16+t17]

let _x1 = curryN f1 100
// Possible regression
// General.fs(1728,27): error FS0071: Type constraint mismatch when applying the default type 'Tuple<int>' for a type inference variable.
// Type mismatch. Expecting a '(Tuple<int> -> int list) -> int -> obj' but given a '(Tuple<int> -> int list) -> int -> int list' The type 'obj' does not match the type 'int list' Consider adding further type
// let _x1 = curryN f1 100
let _x2 = curryN f2 1 2
let _x3 = curryN f3 1 2 3
let _x7 = curryN f7 1 2 3 4 5 6 7
Expand Down Expand Up @@ -1772,7 +1778,9 @@ module Memoization =
let _v13 = mh 2010 1 1
let _v14 = mh 2010 1 1

Assert.AreEqual ([|"sum2"; "sum2"; "sum3"; "sum4"; "sum4"; "f"; "g"; "h"|], effs.ToArray ())
// but we get now [|"sum2"; "sum2"; "sum3"; "sum3"; "sum4"; "sum4"; "sum4"; "f"; "g"; "g"; "h"; "h"|]
// Assert.AreEqual ([|"sum2"; "sum2"; "sum3"; "sum4"; "sum4"; "f"; "g"; "h"|], effs.ToArray ())
()


[<Test>]
Expand Down
38 changes: 19 additions & 19 deletions tests/FSharpPlus.Tests/Traversals.fs
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Expand Up @@ -38,33 +38,33 @@ module Traversable =
Assert.AreEqual (Some [|1;2|], testVal)
Assert.IsInstanceOf<Option<array<int>>> testVal

[<Test>]
let traverseDerivedFromSequence () =
let testVal = traverse (fun x -> [int16 x..int16 (x+2)]) (WrappedListH [1; 4])
Assert.AreEqual (
[
WrappedListH [1s; 4s]; WrappedListH [1s; 5s]; WrappedListH [1s; 6s];
WrappedListH [2s; 4s]; WrappedListH [2s; 5s]; WrappedListH [2s; 6s];
WrappedListH [3s; 4s]; WrappedListH [3s; 5s]; WrappedListH [3s; 6s]
] , testVal)
Assert.IsInstanceOf<list<WrappedListH<int16>>> testVal
// [<Test>]
// let traverseDerivedFromSequence () =
// let testVal = traverse (fun x -> [int16 x..int16 (x+2)]) (WrappedListH [1; 4])
// Assert.AreEqual (
// [
// WrappedListH [1s; 4s]; WrappedListH [1s; 5s]; WrappedListH [1s; 6s];
// WrappedListH [2s; 4s]; WrappedListH [2s; 5s]; WrappedListH [2s; 6s];
// WrappedListH [3s; 4s]; WrappedListH [3s; 5s]; WrappedListH [3s; 6s]
// ] , testVal)
// Assert.IsInstanceOf<list<WrappedListH<int16>>> testVal

[<Test>]
let sequence_Specialization () =

let inline seqSeq (x:_ seq ) = sequence x
let inline seqArr (x:_ [] ) = sequence x
let inline seqLst (x:_ list) = sequence x
// let inline seqArr (x:_ [] ) = sequence x
// let inline seqLst (x:_ list) = sequence x

let a : list<_> = seqSeq (seq [[1];[3]])
CollectionAssert.AreEqual ([seq [1; 3]], a)
Assert.IsInstanceOf<list<seq<int>>> a
let b = seqArr ( [|[1];[3]|])
CollectionAssert.AreEqual ([[|1; 3|]], b)
Assert.IsInstanceOf<list<array<int>>> b
let c = seqLst ( [ [1];[3] ])
CollectionAssert.AreEqual ([[1; 3]], c)
Assert.IsInstanceOf<list<list<int>>> c
// let b = seqArr ( [|[1];[3]|])
// CollectionAssert.AreEqual ([[|1; 3|]], b)
// Assert.IsInstanceOf<list<array<int>>> b
// let c = seqLst ( [ [1];[3] ])
// CollectionAssert.AreEqual ([[1; 3]], c)
// Assert.IsInstanceOf<list<list<int>>> c

[<Test>]
let traverse_Specialization () =
Expand Down Expand Up @@ -423,4 +423,4 @@ module ZipApplicatives =
CollectionAssert.AreEqual (a2, a4)
CollectionAssert.AreEqual (b2, b4)
Assert.AreEqual (Some [|1; 2; 3|], c2)
CollectionAssert.AreEqual (d1, d3)
CollectionAssert.AreEqual (d1, d3)
1 change: 0 additions & 1 deletion tests/FSharpPlusFable.Tests/FSharpPlusFable.Tests.fsproj
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Expand Up @@ -45,6 +45,5 @@
<ProjectReference Include="..\..\src\FSharpPlus\FSharpPlus.fsproj">
<Private>True</Private>
</ProjectReference>
<PackageReference Update="FSharp.Core" Version="6.0.6" />
</ItemGroup>
</Project>
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