should i default(foo), foo.empty, null?


so c# allows default(foo) famous "not filled yet"/empty instance category -- i'm certain accurately same new foo() not. library classes also exercise foo.empty property, advantage identical instance. impetus any anxiety form indicate null. really, what's difference? right wrong? what's some-more consistent, performs better? tests should i checking an vigilant conceptually "not prepared primary time"? everybody foo.isnullorempty().



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