I have a generics class, Foo<T>. In a method of Foo, I want to get the class instance of type T, but I just can't call T.class. What is the preferred way to get around it using T.class?

In case you happen to have a generic method that returns a generic value but doesn't have generic parameters, you can use default(T) + (T)(object) cast, together with C# 8 pattern matching/type …

Oct 16, 2008 · The type 'int?' must be a non-nullable value type in order to use it as parameter 'T' in the generic type or method Is specifying a nullable type as a generic parameter at all possible?

Jan 27, 2010 · I am trying to combine a bunch of similar methods into a generic method. I have several methods that return the value of a querystring, or null if that querystring does not exist or is not in the

using LookupDictionary = System.Collections.Generic.Dictionary<string, int>; Now I want to accomplish the same with a generic type, while preserving it as a generic type:

Mar 24, 2014 · You can certainly define generic delegates, after all, that's exactly what Func and Action are. They are treated as generic definitions, just like generic interfaces and classes are. However, …

Apr 30, 2009 · I have the following method with generic type: T GetValue<T> (); I would like to limit T to primitive types such as int, string, float but not class type. I know I can define generic for clas...

Applying where T : struct applies a generic constraint that T be a non-nullable value type. Since there are no non-nullable reference types, this has the exact same semantics as simply "all non-nullable …

This appears to address the question of whether the type is a list-y sort of thing, but the question is more about how to determine what generic type parameter a type that is known to be a List already was …

Aug 4, 2010 · 0 If you cannot change the generic class and use one of the method already explained on this page, then simple approach would be to get the type class based on the runtime instance class …