Day 5/90: Conditionals and pattern matching
90 Day C# Challenge: Zero to Production
Today I wanted conditionals and pattern matching to feel like a real engineering decision, not a syntax demo. The useful shift was making conditionals and pattern matching feel like clear data shaping and control flow instead of syntax trivia.
The checks that mattered were clear value shapes, control flow that makes valid states obvious, and small methods with one reason to change.
The failure mode I was actively trying to avoid was using broad or vague types until the data model stops explaining itself. I wanted conditionals and pattern matching to feel like something I could explain at a whiteboard or in a code review, not just something I recognized from docs.
That is the bar I want from this track: code that stays readable when requirements move, not just code that compiles today. I also want to keep tracing one concrete path through the code because that exposes weak assumptions faster than a larger demo.
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