[DDDDD-20] Live coding: Expressive Projections

[DDDDD-20] Live coding: Expressive Projections

Let’s write some event sourced projections! Our weapons of choice include higher order functions, algebraic data types, pattern matching, all the goodies of a modern programming languages. But the secret behind our success will be our Dogged Determination to...
[DDDDD-20] Extreme Context Mapping

[DDDDD-20] Extreme Context Mapping

Just when I thought I squeezed everything out of context mapping I've found myself using the format in unconventional ways. If you're interested in what happens when your organization is dealing with multiple business lines, when your technology stack is...
[DDDDD-20]  « it’s traverse »

[DDDDD-20] « it’s traverse »

The `traverse` function is so pervasive in functional programming that it became a joke: — How do I do— It's traverse https://twitter.com/search?q=%22it%27s%20traverse%22&src=typed_query Since it's a bit abstract until you actually encounter it,...