Casper

@vglavnyy

There isn't a good way around it. Our size limits are generally set by constants (which you could modify in a branch) but that will limit the portability of your...

Just look for `UOffset` and `SOffset` in the repo. I'm going to warn you that this path isn't tested/supported, so if it doesn't work first try, then some code somewhere...

Thanks for the contribution! Note that AdvancedUnionFeatures includes more than just unions in vectors. Please consider extending support to the other advanced features too

> Should I close the PR until then or keep it open? Feel free to leave this PR open

At a high level, having an alllocator trait with a default allocator based on Vec looks good to me. I agree it's more Rust-y than the enum approach. Note that...

> Thoughts on using a new type for FlatBufferBuilder vs a type alias? Type alias seems good to me > If you can bound the maximum size of the nested...

I don't have the bandwidth to do this in the short term but I'm happy to guide and review a PR if you're willing to write it. Structs in unions...

Should be doable, I'd say it's medium hard. The generated code for this change shouldn't be too subtle [^1], there's just a lot of code surrounding it. [^1]: unless you...

I think it'll take you like 12 focused hours (give or take a factor of 2). You don't need to be familiar with the flatbuffers binary format (though obviously it...