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by int_19h
1689 days ago
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To be fair, global usings aren't fundamentally different from assembly references (which have always been per-compilation rather than per-file). With respect to parameterless struct constructors: the reason why C# didn't have that historically is because there are many corner cases where those aren't invoked in CLR. Basically any place where you can't do "new" directly on the struct itself - e.g. when you create an array of structs, its elements do not have the constructor run for them. So C# designers originally decided that it would be less confusing overall if structs were always default-init, in all contexts - which means no parameterless constructors. I'm not sure what prompted the change of mind. |
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