Re: PRO* variable equivalencing

p0070621_at_oxford-brookes.ac.uk (Tommy Wareing) writes:

>There doesn't seem to be a great deal changed, except for the addition of
>datatype equivalencing.
 

>This seems very badly explained, and not particularly portable (eg. the
>manual implies that array types need to have the size mentioned at least
>twice).
 

>Am I missing something? Can someone give me a real example of their use?
 

>I have started using the STRING type, to get null-terminated strings (I'm
>using C), which makes things more pleasant, but is there anyway to avoid
>having to define the length twice?

With VARCHAR types, you have to specify a (maximum) length in the declaration and then set variable.len. VARCHAR types are really structures with .len and .arr, the latter holding the actual string. Is this what you're talking about?

                        Seth Received on Wed Aug 25 1993 - 22:44:27 CEST