> 2022-06-20
This is a high-level outline of my current approach to method design in software. It’s not groundbreaking - it’s more just my working mental model.
Methods are split into two types:
Manipulators are responsible for in-memory actions like creating or updating resources - for example struct types representing domain objects. Managers do the storing and fetching of those struct types to and from the persistence layer.
By keeping these two method types very separate, code is easily decoupled. Definining them in their own interface types, implementing them in their own package, and then exporting them to their callsite makes for a highly mentally comprehensible and easily tested codebase.
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