Microsoft.Zing.Replacer.Replacer C# (CSharp) Method

        internal Replacer(Identifier oldName, Node newNode)
        {
            this.oldName = oldName;
            this.newNode = newNode;

            if (newNode is Expression)
                replaceType = ReplaceType.Identifier;
            else if (newNode is Block)
                replaceType = ReplaceType.LabeledStatement;
            else
                throw new ArgumentException("Replacer: newNode must be Expression or Block");
        }