What is Func, how and when is it used - Stack Overflow
Jul 16, 2015 · The Func is a custom delegate defined in System namespace that allows you to point to a method with the same signature (as delegates do), using 0 to 16 input parameters and that must …
c# - Delegates: Predicate vs. Action vs. Func - Stack Overflow
May 6, 2017 · Func : Func can take n input parameters but it will always return the result of the provided type. Func<T1,T2,T3,TResult>, here T1,T2,T3 are input parameters and TResult is the output of it. …
c# - Func vs. Action vs. Predicate - Stack Overflow
Func is a delegate (pointer) to a method, that takes zero, one or more input parameters, and returns a value (or reference). Predicate is a special kind of Func often used for comparisons (takes a generic …
In C#, What is Func<T1, T2>, and what is it for? - Stack Overflow
Jul 13, 2025 · Func<T, TResult> is just a generic delegate - work out what it means in any particular situation by replacing the type parameters (T and TResult) with the corresponding type arguments …
Why would you use Expression<Func<T>> rather than Func<T>?
I understand lambdas and the Func and Action delegates. But expressions stump me. In what circumstances would you use an Expression<Func<T>> rather than a plain old Func<T>?
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, …
Dec 8, 2010 · What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__, and where are they documented? How do I decide which one to use?
Please what does func() mean in python when used inside a function
23 func is an argument given to the function identity_decorator(). The expression func() means "call the function assigned to the variable func." The decorator is taking another function as an argument, and …
Can someone explain what the C# "Func<T,T>" does?
The Func<T1, T2> is a delegate which represents a transformation from type T1 to type T2. So basically, your PageLinks method will apply that transformation to int to produce a string.
C#: Func<T, TResult> for generic methods - Stack Overflow
May 14, 2010 · That is, if you're working within a generic class, for example, then within a method in that class you might be able to declare a Func<T>. You could also do this within a generic method.
How can I pass in a func with a generic type parameter?
Mar 24, 2014 · But, out of interest, shouldn't a delegate / a func be able to pass on a generic type? Described as a delegate I guess I would write it as : private delegate TOutput …