Represented "void" with "object" for template arguments in the generated C#.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -590,7 +590,8 @@ namespace CppSharp.Generators.CSharp
             if (a.Type.Type == null)
                 return a.Integral.ToString(CultureInfo.InvariantCulture);
             var type = a.Type.Type.Desugar();
-            return type.IsPointerToPrimitiveType() ? IntPtrType : type.Visit(this);
+            return type.IsPointerToPrimitiveType() ? IntPtrType :
+                type.IsPrimitiveType(PrimitiveType.Void) ? "object" : type.Visit(this);
         }
 
         public override TypePrinterResult VisitParameterDecl(Parameter parameter)

tests/CSharp/CSharpTemplates.cpp

@@ -108,6 +108,11 @@ void TemplateSpecializer::completeSpecializationInParameter(TwoTemplateArgs<int
 {
 }
 
+VirtualTemplate<void> TemplateSpecializer::returnSpecializedWithVoid()
+{
+    return VirtualTemplate<void>();
+}
+
 RegularDynamic::RegularDynamic()
 {
 }

tests/CSharp/CSharpTemplates.h

@@ -430,6 +430,7 @@ public:
     void completeSpecializationInParameter(TwoTemplateArgs<int*, int*> p1,
                                            TwoTemplateArgs<int*, int> p2,
                                            TwoTemplateArgs<int*, float> p3);
+    VirtualTemplate<void> returnSpecializedWithVoid();
 private:
     IndependentFields<int> independentFields;
     DependentValueFields<bool> dependentValueFields;