wip

Author: jonsequitur

src/System.CommandLine/Invocation/CommandHandler.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System.CommandLine.Binding;
+using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
 using System.Threading.Tasks;
 
@@ -139,6 +140,7 @@ public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7>(
             Func<T1, T2, T3, T4, T5, T6, T7, Task<int>> action) =>
             HandlerDescriptor.FromDelegate(action).GetCommandHandler();
 
+     
         public static ICommandHandler Create<T1, T2, T3>(
             IValueDescriptor<T1> symbol1,
             IValueDescriptor<T2> symbol2,
@@ -148,9 +150,9 @@ public static ICommandHandler Create<T1, T2, T3>(
             return new AnonymousCommandHandler(async context =>
             {
                 await handle(
-                    context.ParseResult.ValueFor(symbol1),
-                    context.ParseResult.ValueFor(symbol2), 
-                    context.ParseResult.ValueFor(symbol3));
+                    context.ParseResult.ValueFor(symbol1)!,
+                    context.ParseResult.ValueFor(symbol2)!, 
+                    context.ParseResult.ValueFor(symbol3)!);
             });
         }