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I'm really surprised at how stable and widely supported Rust's FFI is. I have several C++ projects that integrate a portion written in Rust, where the Rust pro

I'm really surprised at how stable and widely supported Rust's FFI is. I have several C++ projects that integrate a portion written in Rust, where the Rust project produces a .a file that is ultimately linked with clang into a larger C++ project. I definitely agree Rust has a long road to adoption in embedded/low level systems, and particularly areas with custom compilers/toolchains that rely heavily on system specific undefined behavior. But it's a lot closer than I had thought it was a year or so ago.

jasmer 4y ago
I agree. But I think it'll be hard to see Rust really make progress until hardware makers worldwide start really doing 'Rust First'. And the problem there, is that Rust is a bit inaccessible to many. Rust trades of absolutely everything for performance - and that's just not the trade-off we want to make in most scenarios. Even for most embedded systems - something that's easy to program, easy to read, easy to support, great tooling etc. is worth more than a 'a bit faster performance'. If we were to have created something ideal for embedded systems, it would not be Rust. I think it'd be a bit more like Go. Or just like a 'Safe C' with a lot better built-in libraries. I like Rust but I fear it is not 'the one' and the bandwagon has already left the station so we have to go with it.
- steveklabnik 4y ago
  ARM is a member of the Rust Foundation. Expressif has started actively paying someone to write Rust libraries for their chips. Long way to go, of course.