Stuff that helped:

• Architecture:
  • How to apply hexagonal architecture to Rust
  • Implementing onion architecture using Rust
• Design:
  • Rust Data Modelling Without Classes
  • "Making Impossible States Impossible" by Richard Feldman
  • Pretty State Machine Patterns in Rust
• How to Iced:
  • Building a simple text editor with iced, a cross-platform GUI library for Rust
  • Unofficial Iced Guide
  • icebreaker

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The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

— Edsger W. Dijkstra