>I can use type for if there is a field in table:
>
>

?type("mytable.myfield")="U"

>
>but with vartype
>
>

?vartype("mytable.myfield")="U"

>
>is generates variable not found. Isn't that a bug?

Here's what we said in HackFox about this:

"Because VARTYPE() explicitly passes the expression to test as a parameter, it fails if an expression cannot be evaluated, causing an error 12, "Variable not found"—you'll still want to use TYPE() to check if a variable exists."

Tamar