Reified vs. Erased Generics: A Four-Language Comparison
Ask four different languages “what was T, once my code actually runs?” and you get four genuinely different answers. Each one is a real trade between flexibility and cost, not a mi...
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Ask four different languages “what was T, once my code actually runs?” and you get four genuinely different answers. Each one is a real trade between flexibility and cost, not a mi...
Practice generics with a short swift challenge.
Java’s type system disagrees with itself about one question: if String is an Object, is String[] an Object[]? Arrays say yes. Generics say absolutely not. Both answers were deliber...
Practice reified with a short kotlin challenge.
If you’ve ever looked at Kotlin code and wondered why some generic classes use out, others use in, and many use neither, you're not alone.Continue reading on Medium »
Привет! Сегодня хочу поделиться, как мне кажется, очень полезной информацией о такой важной теме, как Opaque types vs Existensial Types vs Generics — что это такое, в чем разница и...
List<String> and List<Integer> are the exact same class once the JVM gets involved. Here’s why Java made that trade, and what it still costs today. Ask a Java developer...
Three languages, three solutions to “different types, same operation” and three very different opinions about who gets to decide what an implementation means. Every mainstream type...
Java 8 gave interfaces actual behavior, then had to answer the same question C++ has been arguing about for thirty years. It answered it much better. The exact compiler rules, veri...
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