Enable new language features for F# 5.0

src/fsharp/FSharp.Core/prim-types.fsi

@@ -1328,97 +1328,78 @@ namespace Microsoft.FSharp.Core
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '-' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val SubtractionDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '/' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val DivisionDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the unary '-' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val UnaryNegationDynamic : value:'T -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '%' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val ModulusDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the checked '-' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val CheckedSubtractionDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the checked unary '-' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val CheckedUnaryNegationDynamic : value:'T -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '&lt;&lt;&lt;' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val LeftShiftDynamic : value:'T1 -> shift:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '&gt;&gt;&gt;' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val RightShiftDynamic : value:'T1 -> shift:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '&amp;&amp;&amp;' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val BitwiseAndDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations to the '|||' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val BitwiseOrDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '^^^' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val ExclusiveOrDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '~~~' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val LogicalNotDynamic : value:'T -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to conversion operators.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val ExplicitDynamic : value:'T -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '&lt;' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val LessThanDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '&gt;' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val GreaterThanDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '&lt;=' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val LessThanOrEqualDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '&gt;=' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val GreaterThanOrEqualDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '=' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val EqualityDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations related to the '=' operator.</summary>
         [<CompilerMessage("This function is for use by dynamic invocations of F# code and should not be used directly", 1204, IsHidden=true)>]
-        [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
         val InequalityDynamic : x:'T1 -> y:'T2 -> 'U
 
         /// <summary>A compiler intrinsic that implements dynamic invocations for the DivideByInt primitive.</summary>

src/fsharp/FSharp.Core/quotations.fsi

@@ -130,7 +130,6 @@ type Expr =
     /// <param name="arguments">The list of arguments to the method.</param>
     ///
     /// <returns>The resulting expression.</returns>
-    [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
     static member CallWithWitnesses: methodInfo: MethodInfo * methodInfoWithWitnesses: MethodInfo * witnesses: Expr list * arguments: Expr list -> Expr
 
     /// <summary>Builds an expression that represents a call to an instance method associated with an object</summary>
@@ -142,7 +141,6 @@ type Expr =
     /// <param name="arguments">The list of arguments to the method.</param>
     ///
     /// <returns>The resulting expression.</returns>
-    [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
     static member CallWithWitnesses: obj:Expr * methodInfo:MethodInfo * methodInfoWithWitnesses: MethodInfo * witnesses: Expr list * arguments:Expr list -> Expr
 
     /// <summary>Builds an expression that represents the coercion of an expression to a type</summary>
@@ -607,7 +605,6 @@ module Patterns =
     ///
     /// <returns>When successful, the pattern binds the object, method, witness-argument and argument sub-expressions of the input expression</returns>
     [<CompiledName("CallWithWitnessesPattern")>]
-    [<Experimental("Experimental library feature, requires '--langversion:preview'")>]
     val (|CallWithWitnesses|_|) : input:Expr -> (Expr option * MethodInfo * MethodInfo * Expr list * Expr list) option
 
     /// <summary>An active pattern to recognize expressions that represent coercions from one type to another</summary>

src/fsharp/LanguageFeatures.fs

@@ -64,14 +64,14 @@ type LanguageVersion (specifiedVersionAsString) =
             LanguageFeature.AndBang, languageVersion50
             LanguageFeature.NullableOptionalInterop, languageVersion50
             LanguageFeature.DefaultInterfaceMemberConsumption, languageVersion50
+            LanguageFeature.OpenStaticClasses, languageVersion50
+            LanguageFeature.PackageManagement, languageVersion50
+            LanguageFeature.WitnessPassing, languageVersion50
+            LanguageFeature.InterfacesWithMultipleGenericInstantiation, languageVersion50
+            LanguageFeature.NameOf, languageVersion50
 
             // F# preview
             LanguageFeature.FromEndSlicing, previewVersion
-            LanguageFeature.OpenStaticClasses, previewVersion
-            LanguageFeature.PackageManagement, previewVersion
-            LanguageFeature.WitnessPassing, previewVersion
-            LanguageFeature.InterfacesWithMultipleGenericInstantiation, previewVersion
-            LanguageFeature.NameOf, previewVersion
             LanguageFeature.StringInterpolation, previewVersion
         ]
 

tests/FSharp.Compiler.ComponentTests/ErrorMessages/InvalidNumericLiteralTests.fs

@@ -60,8 +60,8 @@ module ``Numeric Literals`` =
     [<Fact>]
     let ``1N is invalid numeric literal in FSI``() =
         if Utils.runningOnMono then ()
-        else
-            CompilerAssert.RunScriptWithOptions [| "--langversion:preview"; "--test:ErrorRanges" |]
+        else 
+            CompilerAssert.RunScriptWithOptions [| "--langversion:5.0"; "--test:ErrorRanges" |]
                 """
 let x = 1N
                 """

tests/FSharp.Compiler.ComponentTests/Language/CodeQuotationTests.fs

@@ -36,6 +36,6 @@ let z : unit =
         failwithf "did not expect expression for 'z': %A" e
         """
         |> asExe
-        |> withPreview
+        |> withOptions ["--langversion:5.0"]
         |> compileAndRun
         |> shouldSucceed

tests/fsharp/Compiler/Language/InterfaceTests.fs

@@ -180,7 +180,7 @@ assertion (fun (x:float) -> x * 3.0) (fun v ->
                 ``Many Instantiations of the same interface - Asserts``,
                 Fs, Library,
                 options = [|
-                    "--langversion:preview";
+                    "--langversion:5.0";
 #if !NETSTANDARD
                 |])
 #else
@@ -203,7 +203,7 @@ assertion (fun (x:float) -> x * 3.0) (fun v ->
             |]
             ``Many Instantiations of the same interface``
             [|
-                (FSharpErrorSeverity.Error, 3350, (24, 6, 24, 20), "Feature 'interfaces with multiple generic instantiation' is not available in F# 4.7. Please use language version 'preview' or greater.")
+                (FSharpErrorSeverity.Error, 3350, (24, 6, 24, 20), "Feature 'interfaces with multiple generic instantiation' is not available in F# 4.7. Please use language version 5.0 or greater.")
             |]
 
     [<Test>]

tests/fsharp/Compiler/Language/OpenStaticClasses.fs

@@ -52,7 +52,7 @@ module OpenSystemMathOnce =
     [<Test>]
     let ``OpenStaticClassesTests - OpenSystemMathOnce - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module OpenSystemMathOnce =
 
@@ -82,7 +82,7 @@ module OpenSystemMathTwice =
     [<Test>]
     let ``OpenStaticClassesTests - OpenSystemMathTwice - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module OpenSystemMathOnce =
 
@@ -109,7 +109,7 @@ module OpenMyMathOnce =
     [<Test>]
     let ``OpenStaticClassesTests - OpenMyMathOnce - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module OpenMyMathOnce = 
 
@@ -135,7 +135,7 @@ module DontOpenAutoMath =
     [<Test>]
     let ``OpenStaticClassesTests - DontOpenAutoMath - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module DontOpenAutoMath = 
 
@@ -163,7 +163,7 @@ module OpenAutoMath =
     [<Test>]
     let ``OpenStaticClassesTests - OpenAutoMath - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module OpenAutoMath = 
     open AutoOpenMyMath
@@ -176,7 +176,7 @@ module OpenAutoMath =
     [<Test>]
     let ``OpenStaticClassesTests - OpenAccessibleFields - langversion:preview`` () =
         CompilerAssert.TypeCheckWithErrorsAndOptions
-            [| "--langversion:preview" |]
+            [| "--langversion:5.0" |]
             (baseModule + """
 module OpenAFieldFromMath =
     open System.Math

tests/fsharp/Compiler/Language/WitnessTests.fs

@@ -19,7 +19,7 @@ module WitnessTests =
         """ (dir ++ "provider.fsx"))
         |> asExe
         |> ignoreWarnings
-        |> withPreview
+        |> withOptions ["--langversion:5.0"]
         |> compile
         |> shouldSucceed
         |> ignore

tests/fsharp/Compiler/Libraries/Core/LanguagePrimitives/ComparisonTests.fs

@@ -24,7 +24,7 @@ module ``Comparison Tests`` =
         // Regression test for FSHARP1.0:5640
         // This is a sanity test: more coverage in FSHARP suite...
 
-        CompilerAssert.RunScriptWithOptions [| "--langversion:preview" |]
+        CompilerAssert.RunScriptWithOptions [| "--langversion:5.0" |]
             """
 type 'a www = W of 'a
 

tests/fsharp/Compiler/Libraries/Core/LanguagePrimitives/StringFormatTests.fs

@@ -143,7 +143,7 @@ module ``String Format Tests`` =
     let ``string constructor in FSI``() =
         // Regression test for FSHARP1.0:5894
 
-        CompilerAssert.RunScriptWithOptions [| "--langversion:preview" |]
+        CompilerAssert.RunScriptWithOptions [| "--langversion:5.0" |]
             """
 let assertEqual a b =
     if a <> b then failwithf "Expected '%s', but got '%s'" a b

tests/fsharp/tests.fs

@@ -875,31 +875,31 @@ module CoreTests =
 
     [<Test>]
     let ``printing-1 --langversion:5.0`` () =
-         printing "--langversion:preview" "z.output.test.default.stdout.50.txt" "z.output.test.default.stdout.50.bsl" "z.output.test.default.stderr.txt" "z.output.test.default.stderr.bsl"
+         printing "--langversion:5.0" "z.output.test.default.stdout.50.txt" "z.output.test.default.stdout.50.bsl" "z.output.test.default.stderr.txt" "z.output.test.default.stderr.bsl"
 
     [<Test>]
     let ``printing-2 --langversion:4.7`` () =
          printing "--langversion:4.7 --use:preludePrintSize1000.fsx" "z.output.test.1000.stdout.47.txt" "z.output.test.1000.stdout.47.bsl" "z.output.test.1000.stderr.txt" "z.output.test.1000.stderr.bsl"
 
     [<Test>]
     let ``printing-2 --langversion:5.0`` () =
-         printing "--langversion:preview --use:preludePrintSize1000.fsx" "z.output.test.1000.stdout.50.txt" "z.output.test.1000.stdout.50.bsl" "z.output.test.1000.stderr.txt" "z.output.test.1000.stderr.bsl"
+         printing "--langversion:5.0 --use:preludePrintSize1000.fsx" "z.output.test.1000.stdout.50.txt" "z.output.test.1000.stdout.50.bsl" "z.output.test.1000.stderr.txt" "z.output.test.1000.stderr.bsl"
 
     [<Test>]
     let ``printing-3  --langversion:4.7`` () =
          printing "--langversion:4.7 --use:preludePrintSize200.fsx" "z.output.test.200.stdout.47.txt" "z.output.test.200.stdout.47.bsl" "z.output.test.200.stderr.txt" "z.output.test.200.stderr.bsl"
 
     [<Test>]
     let ``printing-3  --langversion:5.0`` () =
-         printing "--langversion:preview --use:preludePrintSize200.fsx" "z.output.test.200.stdout.50.txt" "z.output.test.200.stdout.50.bsl" "z.output.test.200.stderr.txt" "z.output.test.200.stderr.bsl"
+         printing "--langversion:5.0 --use:preludePrintSize200.fsx" "z.output.test.200.stdout.50.txt" "z.output.test.200.stdout.50.bsl" "z.output.test.200.stderr.txt" "z.output.test.200.stderr.bsl"
 
     [<Test>]
     let ``printing-4  --langversion:4.7`` () =
          printing "--langversion:4.7 --use:preludeShowDeclarationValuesFalse.fsx" "z.output.test.off.stdout.47.txt" "z.output.test.off.stdout.47.bsl" "z.output.test.off.stderr.txt" "z.output.test.off.stderr.bsl"
 
     [<Test>]
     let ``printing-4  --langversion:5.0`` () =
-         printing "--langversion:preview --use:preludeShowDeclarationValuesFalse.fsx" "z.output.test.off.stdout.50.txt" "z.output.test.off.stdout.50.bsl" "z.output.test.off.stderr.txt" "z.output.test.off.stderr.bsl"
+         printing "--langversion:5.0 --use:preludeShowDeclarationValuesFalse.fsx" "z.output.test.off.stdout.50.txt" "z.output.test.off.stdout.50.bsl" "z.output.test.off.stderr.txt" "z.output.test.off.stderr.bsl"
 
     [<Test>]
     let ``printing-5`` () =
@@ -997,7 +997,7 @@ module CoreTests =
 
         csc cfg """/nologo  /target:library /out:cslib.dll""" ["cslib.cs"]
 
-        fsc cfg "%s --define:LANGVERSION_PREVIEW --langversion:preview -o:test.exe -r cslib.dll -g" cfg.fsc_flags ["test.fsx"]
+        fsc cfg "%s --define:LANGVERSION_PREVIEW --langversion:5.0 -o:test.exe -r cslib.dll -g" cfg.fsc_flags ["test.fsx"]
 
         peverify cfg "test.exe"