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bear wrote:
Since as far as I know every serious record system out there is implemented as an underlying vector,
Then I guess your knowledge is lacking, unless you by "vector" mean "adressable memory". Kawa records are built on Java classes. I assume others are equivalent to C structs. Neither are "vectors", since they're not indexable (at the Scheme or Java or portable C level). Kava has define-simple-class and define-class forms that allow you to define records/classes whose fields are non-objects (unboxed) and of differing sizes. -- --Per Bothner per@xxxxxxxxxxx http://per.bothner.com/