Code that writes code - .NET Source generators
summary
Shows how .NET Source Generators use the Roslyn APIs and an IIncrementalGenerator pipeline to emit C# at compile time, eliminating reflection and boilerplate. Demonstrates generators for strongly typed IDs, service registration, options binding via an additional text provider, and compile‑time mapping that emits diagnostics on mismatches. Emission is deterministic, cached by Roslyn, and only regenerates changed pieces, so performance stays fast; debugging works via debugger attach or unit tests.
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chapters (11)
- 0:00Introduction
- 1:07Source generation in .NET
- 3:14Incremental generators
- 7:33Strongly typed identifiers
- 19:00Pitfalls in source generators
- 20:04Debugging generators
- 21:52Service registrations
- 29:24Options bindings from schema
- 36:52Domain to DTO mapping
- 47:58Benefits and use cases
- 50:07Q&A
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