The Evolution of TDD Frameworks

In C plus plus now, you can say inline object or inline. That means it doesn't matter how many times that header is included in CPP files, there will only be one instance in the project. What that has then allowed people to do is to write header only libraries. You don't need a source file, you just have to include this header and there are test frameworks,. I like one called doc test over catch two, just because I've got doc test working on the target. So my acid test for everything is, can I get it running on my Cortex-M system? And if I can't, then it's like, okay, and we can have a debate