[plt-scheme] Adjustable arrays for specified type

Thank you for your prompt replies. Since these arrays could grow huge in
length and will hold just unsigned integers I could use some advice
regarding the storage strategy.
Is it possible to specify them to hold just fixnums? Trying
(define foo (make-evector (greatest-fixnum)))
. . make-vector: out of memory making vector of length 1073741823
I have a limit of 2048MB on my plt scheme


Slobodan
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