public override string evalString(Env env)
{
Value value = _value.eval(env);
StringValue sb = value.ToStringBuilder(env);
for (BinaryAppendExpr ptr = _next; ptr != null; ptr = ptr._next)
{
sb = sb.appendUnicode(ptr._value.eval(env));
}
return(sb.ToString());
}
/**
* Returns the next value in the append chain.
*/
void setNext(BinaryAppendExpr next)
{
_next = next;
}
protected BinaryAppendExpr(Expr value, BinaryAppendExpr next)
{
_value = value;
_next = next;
}
