04 Type Classes

This repository contains source code from week 4.

src
├── ClassAsRecord.hs  -- Shows how instances can be modelled as records of functions.
├── Motivation.hs     -- The Comparable motivation example.
├── Semigroups.hs     -- Semigroup examples.
├── ShowExample.java  -- Type classes in Java.
├── Symbolic.hs       -- A num instance for symbolic arithmetic.
├── config.hs         -- Config as a Monoid.
├── filtering.hs      -- Filtering as a Monoid.
└── ordering.hs       -- Ordering as a Monoid.