object IVisitor <object> .visit(AssignmentNode node)
{
Node left = node.getLeft();
Node right = node.getRight();
left.accept(this);
right.accept(this);
checkSameType(left, right);
return(null);
}
object IVisitor <object> .visit(AssignmentNode node)
{
SymbolTable.assign(node.getLeft().value, node.getRight().accept(new Evaluator()).ToString());
return(null);
}