What is the C# equivalent to the following java construct: interface LinkedList<T extends Comparable<T>> extends Iterable<T> I cannot do this the following way in C# because it is assumed that IEnumerable<T>belongs to the the where constraint: interface LinkedList<T> where T : IComparable<T>, IEnumerable <T> how can I do this in C# ? >Solution : I… Read More How do I create a C# interface for T where T extends IComparable<T> and the interface extends IEnumerable<T>

I have a wrapper struct for a Dictionary and I want to add a collection initializer to this class that adds my entries to the wrapped Dictionary. public readonly struct Wrapper : IEnumerable<KeyValuePair<string, string>> { public Dictionary<string, string> Instance { get; } public Wrapper() { Instance = new Dictionary<string, string>(); } public void Add(string key,… Read More Collection initializer for wrapper class and avoiding boxing of IEnumerator<T>

Let’s say I have two classes in C# that derive from the same base class: class Base {} class A: Base {} class B: Base {} I’m working with a list of objects that I want to project to different sub-types of type Base. So I did something like this: IEnumerable<Base> foo = myObjects.Select(o =>… Read More Returning different sub-types in a linq .Select() statement

How to convert IEnumerable<T> to List<T> after getting IEnumerable<T> from async function? My code: var orders = await _DbManager.Orders.GetAllAsync(); _DbManager.Orders.GetAllAsync() returns IEnumerable<Orders> and i want to avoid multiple-enumeration but _DbManager.Orders.GetAllAsync().ToList() gives me that error: Task<IEnumerable<Orders>> does not contain a definition for ToList…. What is the best solution to deal with this problem? >Solution : Try… Read More Cast IEnumerable<T> to List<T> after IEnumerable<> being returned in async function

I’m trying to write a generic static function that takes an instance of an IEnumerable class, the name of a property of and a string separator. It will loop through the instance and with each member of the instance evaluate the property, collecting the values returned in a single string spaced by the separator. For… Read More C# Generic foreach over IEnumerable of unknown type