Filip Hracek
1 min readJun 13, 2020

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My point here was that Kotlin, TypeScript and C# don’t have sound null safety. They have null safety, but it is not sound. Swift does have sound type safety.

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Filip Hracek
Filip Hracek

Written by Filip Hracek

I’m a pro­gram­ming buff with formal train­ing in jour­nal­ism. I build games, teach pro­gram­ming, explain things, and create silly soft­ware experiments.

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