type-erasure

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Why does DummyImplicit not disambiguate [String](a: A) from (a: String)

Given the following piece of code: final case class Attr[A](name: String)(implicit conv: String To A) {[详细]

2023-03-29 17:56 分类：问答
Scala: Selecting a subset of types from a generic collection without std collections. (collect)

Following my previous question came a quick and great answer, however it turned out my example didn\'t match my actual production code well enough. In summary I\'m in need of a new implementation of t[详细]

2023-03-28 14:28 分类：问答
For Scala are there any advantages to type erasure?

I\'ve been hearing a lot about different JVM languages, still in vaporware mode, that propose to implement reification somehow. I have this nagging half-remembered (or wholly imagined, don\'t know whi[详细]

2023-03-26 14:35 分类：问答
Using collect on maps in Scala

I recently stumbled over this post, which \"introduces\" the collect method for Scala collections. The usage is straight forward:[详细]

2023-03-18 23:54 分类：问答
Serializing Map<Date, String> with Jackson

I want to serialize a Map with Jackson. The Date should be serialized as a timestamp, like all my other dates.[详细]

2023-03-17 09:25 分类：问答
Java Generics Type Erasure Method Signature Problem

Given the following hypothetical type hierarchy: BaseElement + StringElement + .... + .... + BooleanElement[详细]

2023-03-15 23:14 分类：问答
Fixing a match clause warning by getting rid of a type parameter

i want to implement the following exhaustive match, but i can\'t figure out to remove the type parameter and thus the warning that it is erased:[详细]

2023-03-10 16:27 分类：问答
Java reflection anyway to compare Class<?> or Type to Class<T>?

Forgive me for asking such a question but I have been开发者_运维问答 doing C# for the past couple years until very recently so I am a little rusty on type erasure generics in Java compared to the intu[详细]

2023-03-08 08:08 分类：问答
Type erasure for methods with differing in return types

I was wondering if some form of type erasure exists for dealing with methods that have the sa开发者_JS百科me name and arguments but return different values like in my example below (begin and end).I\'[详细]

2023-03-07 10:52 分类：问答
Generics Problem - Cannot compile code, possibly due to type erasure

I have some code similar to this: public class A<E> { protected E value; public E getValue() { return value;[详细]

2023-03-05 22:46 分类：问答