I think you can do that - although I'm not entirely certain how much overhead a struct (defstruct) has. Array allocation has no overhead, to the best of my know

I think you can do that - although I'm not entirely certain how much overhead a struct (defstruct) has. Array allocation has no overhead, to the best of my knowledge (if you specify the element-type, etc). I usually don't code at that low level, but you might want to check out www.lrde.epita.fr/~didier/research/verna.06.imecs.pdf