I'm developing a C library with Cython bindings, built using CMake. I'd like to use D with -betterC to write some new code where it would be handy to have access to some more advanced language features to keep things readable. For my domain, C is totally fine 99% of the time, and rewriting a bunch of C code that's already tested and works nicely isn't a priority for me. I would like to develop new "modules" using -betterC and freely mix them into my existing C code without it being a headache.
So, it would be helpful to see some real -betterC examples. They don't need to polished, but substantial enough to help me get my bearings. Are there any out there that use CMake? This seems like it should be natural: start with a C or C++ CMake project (common enough!), and work D into the mix. I'm aware of cmake-d, but haven't taken too close of a look at it. It doesn't look like it's being actively developed.
To be clear, I'm mostly interested in examples that show how to structure a project. I'd like to know what the best way to start using D in my current project is, how to call D from C, and how to call C from D.