Heap vs stack allocation?

[Martin Angers]

Reading the crack manual, if I'm not mistaken, it mentions that classes are always allocated on the heap (http://www.mindhog.net/~mmuller/projects/crack/Manual-0.10.html#classes). I also see that there's a @struct annotation. I'm I correct in assuming that the @struct is allocated on the stack (not mentioned explicitly in the manual) and the classes are heap-allocated? Otherwise is there any way to allocate a compound data type on the stack?

Thanks,

Martin

[Michael Muller]

There is currently no way to allocate a compound data type on the stack.  

This is a difficult design trade-off.  Stack allocation admits the possibility of stack-overwrites, so I've been trying to avoid it.  But I think that at some point we will probably have to allow allocation of stack-based aggregates just because of the performance benefits.  Sorry, it's not there yet.

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[Martin Angers]

Thanks, that's fine, I know the language is not "done" yet (and language design is hard and full of compromises). FWIW I do think it should be possible, as you say, for performance considerations, but I'm really in no position to make such comments on the language having barely written a few dozen lines in it :)

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