IronPython.Compiler.Ast.Expression.CheckAugmentedAssign C# (CSharp) Метод

        internal virtual string CheckAugmentedAssign() {
            if (CheckAssign() != null) {
                return "illegal expression for augmented assignment";
            }

            return null;
        }

 internal override string CheckAugmentedAssign()
 {
     return(_expression.CheckAugmentedAssign());
 }