Can Rust do every low level stuff C/C++ do?

1. rfcs

   1 679 6,033 9.7 Markdown

   RFCs for changes to Rust

   

   There are a few things rust does not support in comparison to c++. Two I personally came across are: 1. placement new (relevant RFC) 2. Fast-math flag (relevant RFC)

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. rust

   2 2,778 100,618 10.0 Rust

   Empowering everyone to build reliable and efficient software.

   

   There are a few things rust does not support in comparison to c++. Two I personally came across are: 1. placement new (relevant RFC) 2. Fast-math flag (relevant RFC)

4. llvm-cbe

   3 14 867 6.6 C++

   resurrected LLVM "C Backend", with improvements

   

   You can convert llvm bitcode to C and then use C compiler, there is such project https://github.com/JuliaComputingOSS/llvm-cbe .

5. unsafe-code-guidelines

   4 74 677 3.5

   Forum for discussion about what unsafe code can and can't do

   

   The definition of UB for Rust and C++ is practically the same. My source for this claim are lead maintainers of the Rust project who answer directly to the question in the github issue: https://github.com/rust-lang/unsafe-code-guidelines/issues/253

6. rust-mos

   5 10 58 0.0 Rust

   Empowering everyone to build reliable and efficient software.

   

   Thanks to llvm-mos project there is also working rust fork for MOS-6502: https://github.com/mrk-its/rust-mos/tree/mos_target, so you can target 8-bit atari and c64

7. rustc_codegen_gcc

   6 50 941 9.3 Rust

   libgccjit AOT codegen for rustc

   

   There is also https://github.com/rust-lang/rustc_codegen_gcc which uses GCC JIT to compile Rust and maybe support all the archs GCC can.

8. coreutils

   7 121 18,178 9.9 Rust

   Cross-platform Rust rewrite of the GNU coreutils

   

   The uutils implementation of stdbuf embeds a tiny bit of C++ code in order to inject code into the very start of another process, before its main runs.

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