Source material for Algebra-Driven Design
Their approach might be to express their business logic as a carefully selected collection of types and laws, as described in Algebra-Driven Design (the full text is available on GitHub, please support the author if you find it useful though). I recommend this book to everyone because, even if you don't use this approach to design your programs, it's an excellent way to think about problems and better understand the problem space.
A fast, powerful type checker designed for Ruby
Ruby does have Sorbet too
Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.
Agda is a dependently typed programming language / interactive theorem prover.
At the most extreme level, you disappear into a meditative solitary retreat for a couple of years to seek enlightenment, and when you emerge you're no longer a programmer who writes programs, you're a theorist who proves theorems in Agda, and you have transcended above things that are tainted by the inherent evil of the material plane like "side effects" and "business needs" and "delivery timelines" and "could you stop doing that fancy math crap and just change the button's color like I asked for".
Types versus sets (and what about categories?)
1 project | news.ycombinator.com | 31 Aug 2023
An Introduction to Metaprogramming in Ruby
2 projects | news.ycombinator.com | 27 Jul 2023
If given a list of properties/definitions and relationship between them, could a machine come up with (mostly senseless, but) true implications?
5 projects | /r/math | 11 Jul 2023
What can Category Theory do?
2 projects | /r/askmath | 22 Jun 2023
How do you update an existing avro schema using apache avro SchemaBuilder?
1 project | /r/codehunter | 9 Jun 2023