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by IshKebab 426 days ago
1. It means you don't need C code & a C compiler in your project any more, which simplifies infrastructure. E.g. cross compiling is easier without any C.

2. You can do LTO between Rust and the C->Rust code so in theory you could get a smaller & faster executable.

3. In most cases it is the first step to a gradual rewrite in idiomatic Rust.