anchor.diff:  
           | MemberOrFunctionOrValue (memb, Parameters ps, expr)
               when memb.IsModuleValueOrMember && not memb.IsCompilerGenerated ->
  -            let ee = memb.EnclosingEntity
  +            let ee = memb.EnclosingEntity.Value
               let ctx = Ctx.init ee.FullName
               let functionName = functionName memb
               let ps =
  
positive.code:                           (f : FSharpMemberOrFunctionOrValue)
                            (argTypes: FSharpType list)
                            (exprs : FSharpExpr list) : (cerl.Exps * Ctx) =
          let fe = f.EnclosingEntity
          let typeHasMfv (e: FSharpExpr) =
              if e.Type.HasTypeDefinition then
                  e.Type.TypeDefinition.MembersFunctionsAndValues
  
negative.code:         match decl with
          | MemberOrFunctionOrValue (HasModCallAttribute(args, memb),
                                     Parameters ps, _expr) ->
              let ee = memb.EnclosingEntity.Value
              let ctx = Ctx.init ee.FullName
              let functionName = functionName memb
              let e1 = litAtom ((snd args.[0]) :?> string) |> constr
  