generics

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What does 'struct' restriction mean?

The is a \'struct\' restriction in generic classes or methods in C#. I want to k开发者_开发知识库now It means structs only or any type derived from value type like int, double, enum, ant so on. Is the[详细]

2023-04-10 20:58 分类：问答
What is the use and point of unbound wildcards generics in Java?

I don\'t understand what is the use of unbound wildcards generics. Bound wildcards generics with upper boundary <? extends Animal> makes perfect sense, because using polymorphism I can work with[详细]

2023-04-10 20:46 分类：问答
Syntax sugar for double-generic function

I have the following function in c#: bool Handle<TCommandHandler, TModel>(TModel model) where TCommandHandler : ICommandHandler<TModel> {[详细]

2023-04-10 17:31 分类：问答
Why does the C# compiler complain that "types may unify" when they derive from different base classes?

My current non-compiling code is similar to this: public abstract class A { } public class B { } public class C : A { }[详细]

2023-04-10 17:29 分类：问答
Instantiating a generic extension of an abstract class

Trying to write some generalised code for Genetic Algorithms and I have an abstract class Genotype as follows:[详细]

2023-04-10 16:16 分类：问答
Generic Method - Seeking Design Advice

I have a util class (C#) where I have a static method that takes a certain type of object and brings up a web service to get further data.I would like to support other object types and to not replicat[详细]

2023-04-10 10:29 分类：问答
Generics with Event automatically generated

I am trying to create a generic class. The class is going to have some generic events. Is it possible to create generic event handlers something like[详细]

2023-04-10 10:10 分类：问答
Is there example of scala abstract type usage which is impossible to achieve with generics?

There are two possible way to express abstraction over types. abstract class Buffer { type T val element: T[详细]

2023-04-10 10:02 分类：问答
Java Generics: SuppressWarnings Dos and Donts

I understand t开发者_如何转开发hat the @SuppressWarnings(\"unchecked\") annotation can be used to suppress compiler warnings when generics aren\'t being used precisely as they\'re meant to be. And I u[详细]

2023-04-10 08:42 分类：问答
IEquatables implementation only called if the base Equals is overridden

I have the following class class Product : IEquatable<Product> { public Guid Id { get; set; } public bool Equals(Product other)[详细]

2023-04-10 08:07 分类：问答