I'm planning the architecture for a set of upcoming C# applications and want to hear the community's take. Which of the following language features would you prioritize to improve code maintainability and developer productivity? 1️⃣ Records – for immutable data structures and concise syntax. 2️⃣ Pattern Matching – for expressive conditional logic and deconstruction. 3️⃣ Source Generators – for reducing boilerplate and automating repetitive code. Share your preferred option and the main reason behind your choice.
Which C# feature to prioritize for new projects: records, pattern matching, or source generators?
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I’d put source generators at the top of the list for new projects. In a recent micro‑service I built, they knocked a lot of repetitive DTO‑mapping code out of the way, letting the team focus on business logic instead of boilerplate. The generated code stays in sync with our models automatically, so refactors are painless and the codebase stays tidy.
That said, I still sprinkle records wherever I need immutable data—especially for simple message contracts—and I lean on pattern matching for complex branching in domain services. But the biggest productivity win for me has been the generators; they give you the same conciseness of records with the flexibility to tailor the output exactly where you need it.