[simplotek]

> Another nice feature of unity builds is that I don't need to declare functions twice and keep the declarations synced.

What exactly leads you to have multiple declarations in sync, and thus creating the to "keep [multiple] declarations synced"?

[robalni]

I mean if you use multiple translation units and header files, you need to have a copy of the function declaration in that header file to be able to call it from other translation units.