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(I think this whole system is opt-in, so older projects don't just totally explode)
I'm not an expert in the current nullable implementation, but how is this one different?
Currently all reference-types are nullable. The new system means that, by default, reference-types are non-nullable, but you can make them nullable with ? (like you do with structs now) This way the compiler can warn you about using a thing that COULD be null if you didn't check
Okay got it, was not fully awake yet
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