Removed all allocs from Hypercore's proof code. The API is now madness though; wonder how we could do better. https://github.com/datrs/tree-index/commit/4c60b941eecc9a80ed90fede1fe691787d23eb7c …
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so sorry to tell you this but `Vec::push` as well as `format!` can alloc
ahaha, no no - that's good. Was hoping someone would reply. The purpose of this would be that the person calling this method is responsible, and allocates a large enough vector up front. That way memory usage can stay stable between calls - and save CPU cycles.
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Because if my_vec.capacity() is large enough, it shouldn't allocate, right?
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true -- which you might want to explicitly document somewhere if you haven't already? :) the format you can probably just omit, not sure how valuable that error message is. otoh, it's a cold path in a `panic!`
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