[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 Descriptive naming. We’ll observe how our domain language crystallises, how patterns emerge, and how we end up with code that communicates intent.

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Relationship(s) between problem and solution space

Relationship(s) between problem and solution space

One of the more confusing concepts in Domain-Driven Desing is that of problem and solution space. There has been a long debate on Twitter and the ddd-crew github: https://github.com/ddd-crew/strategic-architecture-building-blocks/pulls?q=is%3Apr+is%3Aclosed People...