In which circumstances is C++ better than Rust?

• rust-bindgen

  4 1 0.0 Rust

  THIS CRATE IS DEPRECATED, please use https://github.com/servo/rust-bindgen. (by Yamakaky)

But Rust has their "library" to create the wrapper bindings https://crates.io/crates/bindgen and it does a more than decent job, it will struggle with some C++ things but 99% of the time it can do it alone

• slint

  138 14,929 9.9 Rust

  Slint is a declarative GUI toolkit to build native user interfaces for Rust, C++, or JavaScript apps.

  

See Slint.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• unreal-rust

  5 2,003 0.0 Rust

  Rust integration for Unreal Engine 5

- Unreal https://github.com/MaikKlein/unreal-rust and if you look inside the FFI part (called workspace in Rust) at what libs it uses https://github.com/MaikKlein/unreal-rust/blob/main/unreal-ffi/Cargo.toml is cbindgen which is a FFI generator tool

• cxx

  97 5,419 9.3 Rust

  Safe interop between Rust and C++

Google has invested a lot of money also in https://cxx.rs/ so is not as a big deal at it should be using C++ with Rust

• Rust-CUDA

  37 2,852 0.0 Rust

  Ecosystem of libraries and tools for writing and executing fast GPU code fully in Rust.

  

- Cuda is not doing by FFI linking, instead is compiling CUDA code natively in Rust https://github.com/Rust-GPU/Rust-CUDA and even if it not complete as the C++ SDK is more than a toy

• rsmpi

  4 437 6.7 Rust

  MPI bindings for Rust

  

- OpenMPI https://github.com/rsmpi/rsmpi and if you look at dependency you will find mpi-sys (is a rust thing but it is the current FFI part) and if go and look for it https://crates.io/crates/mpi-sys/0.2.0/dependencies sure it have it, bindgen as a dependency

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