A deep dive into Primitive Obsession — the habit of reaching for String, int, or double when the domain is asking for something more specific. When every ID is just a string and every amount is just a number, nothing stops you from passing an order ID where a customer ID belongs.
The fix is ValueObjects: small, typed wrappers that give your domain concepts a real identity in the type system. Stronger boundaries, fewer bugs, clearer code.
Read the full post on Benevity Tech Blog →✶