What sort of architecture are you envisioning where you'd need HTTP3 and Rust can't build for it?
Once you get a microcontroller fast enough to handle Http3, you are talking about well known platforms (such as ARM, MIPS, x86). All of which are supported by Rust and LLVM.
Keeping in mind that I needed to write code against node 0.13 because it was the last version of node supporting floating point emulation when there is no hardware fpu, I was surprised to learn what kind of trash is out there running the internet. There is list of supported architectures of the software in question and though I don't remember it in details, I'm sure that there were items in it that I couldn't find in the rust tables.
:) sounds like bcm4709. Funnily, rust wouldn't have a problem there, that's specifically a node problem because their JIT doesn't handle software FPUs. LLVM does.
I'm fairly confident in saying any place you can run any node version, you can run rust.
Once you get a microcontroller fast enough to handle Http3, you are talking about well known platforms (such as ARM, MIPS, x86). All of which are supported by Rust and LLVM.
https://doc.rust-lang.org/nightly/rustc/platform-support.htm...