anchor.diff:                      f.SetValue(currentTuple, nestedTuple)
                       currentTuple <- nestedTuple
                   tuple :?> 'Tuple)
  +#endif
   
       member _.IsStructTuple = typeof<'Tuple>.IsValueType
       /// Tuple element shape definitions
  
positive.code: 
          emitDynamicMethod<Func<SerializationInfo, StreamingContext, 'T>> "serializableCtor" 
              [|typeof<SerializationInfo>; typeof<StreamingContext>|] typeof<'T> builder
  #endif
  
  //-------------------------
  
negative.code:         emitDynamicMethod<Setter<'DeclaringType, 'Property>>
              injectionId [|typeof<'DeclaringType>.MakeByRefType(); typeof<'Property>|] typeof<System.Void> builder
  
      let ldDefaultValue (gen : ILGenerator) (t : Type) =
          if not t.IsValueType then gen.Emit OpCodes.Ldnull
          elif t = typeof<bool> || t = typeof<byte> || t = typeof<sbyte> ||
              t = typeof<char> || t = typeof<uint16> || t = typeof<int16> ||
              t = typeof<int32> || t = typeof<uint32> then
              gen.Emit OpCodes.Ldc_I4_0
          elif t = typeof<int64> || t = typeof<uint64> then
              gen.Emit OpCodes.Ldc_I4_0 ; gen.Emit OpCodes.Conv_I8
          elif t = typeof<single> then gen.Emit(OpCodes.Ldc_R4, 0.0f)
          elif t = typeof<double> then gen.Emit(OpCodes.Ldc_R8, 0.0)
          elif t = typeof<IntPtr> then gen.Emit OpCodes.Ldc_I4_0; gen.Emit OpCodes.Conv_I
          elif t = typeof<UIntPtr> then gen.Emit OpCodes.Ldc_I4_0; gen.Emit OpCodes.Conv_U
          else
              assert(not t.IsPrimitive)
              let lvar = gen.DeclareLocal t
              gen.Emit(OpCodes.Ldloca_S, lvar.LocalIndex)
              gen.Emit(OpCodes.Initobj, t)
              gen.Emit(OpCodes.Ldloc, lvar.LocalIndex)
          
  
      /// Emits a dynamic method that injects uninitialized values to supplied static method or ctor
      let emitUninitializedCtor<'DeclaringType> (ctor : MethodBase) =
          let builder (gen : ILGenerator) =
              for p in ctor.GetParameters() do ldDefaultValue gen p.ParameterType
  
              match ctor with
              | :? ConstructorInfo as c -> gen.Emit(OpCodes.Newobj, c)
  