Use native on netstandard2.1 and TaskOptionCE using resumable code

Author: TheAngryByrd

src/FsToolkit.ErrorHandling.TaskResult/FsToolkit.ErrorHandling.TaskResult.fsproj

@@ -3,7 +3,10 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <!-- <TargetFrameworks>netstandard2.1</TargetFrameworks> -->
     <DebugType>portable</DebugType>
+    <LangVersion>preview</LangVersion>
+    <NoWarn>FS3511;FS3513</NoWarn>
   </PropertyGroup>
 
 

src/FsToolkit.ErrorHandling.TaskResult/List.fs

@@ -2,7 +2,9 @@ namespace FsToolkit.ErrorHandling
 
 open System.Threading.Tasks
 open FsToolkit.ErrorHandling
+#if NETSTANDARD2_0
 open FSharp.Control.Tasks.Affine
+#endif
 
 [<RequireQualifiedAccess>]
 module List =

src/FsToolkit.ErrorHandling.TaskResult/Result.fs

@@ -1,7 +1,9 @@
 namespace FsToolkit.ErrorHandling
 
 open System.Threading.Tasks
+#if NETSTANDARD2_0
 open FSharp.Control.Tasks.Affine
+#endif
 
 module Result =
 

src/FsToolkit.ErrorHandling.TaskResult/Task.fs

@@ -1,7 +1,10 @@
 namespace FsToolkit.ErrorHandling
 
 open System.Threading.Tasks
+
+#if NETSTANDARD2_0
 open FSharp.Control.Tasks.Affine
+#endif
 
 [<RequireQualifiedAccess>]
 module Task =

src/FsToolkit.ErrorHandling.TaskResult/TaskOption.fs

@@ -1,7 +1,9 @@
 namespace FsToolkit.ErrorHandling
 
 open System.Threading.Tasks
+#if NETSTANDARD2_0
 open FSharp.Control.Tasks.Affine
+#endif
 
 [<RequireQualifiedAccess>]
 module TaskOption =