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This is very interesting and could lead to some futuristic programming technology.
I kind of want to plot the state space of a program to see all available states.
In my exploration of distributed systems, microservices and multithreaded systems, it is extremely helpful to try and see what potential states the system can be in. Global and local reasoning of these kinds of software is rather difficult.
I've written about value tracing but I've not heard of treating values as types. I would love to be able to see the trajectory of a value through different states.
https://github.com/samsquire/ideas4#571-value-calculus-varia...
I've never written a TLA+ specification and I'm a complete beginner to this space but I've been trying to understand the dining philosophers one. TLA+ Toolbox is aware of discrete states in the state space, which is absolutely awesome. Types can inform us about future possible valid states.
I began writing a visualisation of memory and animated the movement of memory around to try reveal patterns.
https://replit.com/@Chronological/ProgrammingRTS#index.html
If we see types or values as positions, we can create animations of the state space unfolding in front of us. This is the dream.
This sort of thing is something we abused about Rust quite some time ago to make safer interfaces to low-level hardware.
https://blog.auxon.io/2019/10/25/type-level-registers/
I'm sure you mean "nobody" not nobody, otherwise this doesn't exist: https://github.com/bitbank2/BitBang_I2C (and plenty of others, this was just the first github link google gave me). There's quite a few articles suggesting to bit bang i2c on tiny MCUs also for various memory/code size/etc reasons.
I suspect trivial to do in C++ really should be "trivial" too.