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Course · 5 lessons ~30 hr Intermediate

Functional Programming Foundations

Rewire your brain from object-oriented to functional thinking — immutability, pure functions, pattern matching, recursion, higher-order functions, and data transformation pipelines. This is the paradigm shift that makes everything else possible.

reading · we frame, you read MIT or the canonical taught · we author, no canonical fits ↺ spirals back to earlier lessons

5 lessons. Read in order; spiral back when you need to. By the end you'll have used the core ideas twice — once on the abstract, once on something you'll meet at work next week.