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 …

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 …

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. …

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 …

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 …

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 …

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 …