Hi Chris, thanks for checking it out. The first code push for Bon was today, so many things are of course rough around the edges.

Memory will be garbage collected, though I am aiming for zero-cost as much as possible. At the moment it just leaks memory like a sieve as I work out the semantics.

You can indeed import standard c library calls by using a cdef. You can find examples in the stdlib, e.g.:

cdef sqrt(x:float) -> float

Thanks again for taking a look!