hasMemory

[Brian Yennie]

The little I know is that in Supercard, it would return to you whether 
or not a given number of bytes could be allocated. IIRC (and I might 
not!) people tended to use it in order to detect a low-memory 
situation, i.e. if hasMemory(1024*1024) failed then there was less than 
1MB of memory to be had and that might be trouble.

Since Supercard is Mac-only, and the function was first written for OS 
9 where each application has a fixed memory allocation, it was probably 
well-defined if still a bit unusual. I'm guessing the Rev "half 
implementation" gets stuck on the meaning of the whole thing on other 
OS'es  with swap files and shared memory and all of that good stuff.

Conclusion- I would stay way unless you want something specific on 
MacOS and can verify that it works.

FWIW...

> All-
>
> Does anyone have any clues about the "hasMemory" function? In the
> documentation I see:
>
> Comments:
> This function is only partially implemented, and may not return useful
> values on some platforms. It is included in Transcript for
> compatibility with imported SuperCard projects.
>
> That alone would keep me from using it, but I'm curious about what
> "partially implemented" means.
>
> -- 
> -Mark Wieder
>  mwieder at ahsoftware.net
>
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