[acdha]

For new projects, sure. For existing projects, it's not trivial to convert them and anyone working on something significant is going to need time to do a migration during which additional new C code will almost certainly need to be written.

[xvilka]

It can be semi-automated with the amazing c2rust[1] tool.

[1] https://github.com/immunant/c2rust

[acdha]

“semi-” is not a synonym for “easily done with production-ready results”. Until that changes, people are going to need to write new C code even if they're working to refactor their code into a better language.