Jan 12 · 5 min read · Definition When we design software systems, we often discuss rules, validations, and best practices. These concepts are familiar and useful, but they operate at the surface level of system behavior. Beneath all of them lies a much stronger idea—one t...
Join discussionJul 24, 2019 · 7 min read · By Luca Florio I understand that type variance is not fundamental to writing Scala code. It's been more or less a year since I've been using Scala for my day-to-day job, and honestly, I've never had to worry much about it. However, I think it is an ...
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