Philip Schwarz

Natural Transformations

Functor Laws

Scala collection methods flatMap and flatten are more powerful than monadic flatMap and flatten

Compositionality and Category Theory - a montage of slides/transcript for sections of Rúnar Bjarnason's 'Scala eXchange 2017' keynote: "Composing Programs"

Arrive at monads by going from composition of pure functions to composition of effectful functions

De Morgan's Laws are Monoid Homomorphisms

The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction

The Open-Closed Principle - Part 1 - The Original Version

The Open-Closed Principle - the Original Version and the Contemporary Version

OO Inheritance - Not Always Evil - Refactoring to Open-Closed with Inheritance

Understanding Java 8 Lambdas and Streams - Part 1 - Lambda Calculus, Lambda Expressions, Syntactic Sugar, First Class Functions

Blank Test PDF