Thanks for the help, I was curious about FILEref because I will soon need 
to work with files in my ATS project.  I hope AT3's development is going 
well! :)

On Sunday, July 18, 2021 at 2:18:00 PM UTC-4 gmhwxi wrote:

>
>
> FILEref is abstract; it is just FILE* in C. As it is non-linear, you
> need to remember to close an opened file handle of this type.
>
> BTW, FILEptr is linear; so the type system help you keep track of
> file handles of the type FILEptr.
>
> --Hongwei
>
> PS: I often use FILEref first. If needed later, I can always change
> it to FILEptr and the typechecker will then lead me to all the places
> where subsequent changes are needed for such a change.
>
> On Sunday, July 11, 2021 at 8:02:39 PM UTC-4 d4v3y_5c0n3s wrote:
>
>> Just a quick question: I noticed that the "FILEREF" type in ATS is 
>> non-linear.  Does this mean that I need to enable garbage collection to 
>> work with files?  Or is the value freed but hidden from the linear type 
>> system?
>
>

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