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  1. 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 …

  2. 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. …

  3. 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 …

  4. In C#, What is Func<T1, T2>, and what is it for? - Stack Overflow

    Jul 13, 2025 · I was wondering if someone could explain what Func&lt;int, string&gt; is and how it is used with some clear examples.

  5. 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 …

  6. 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>?

  7. 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?

  8. How can I pass in a func with a generic type parameter?

    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, …

  9. 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.

  10. c# - Using Func delegate with Async method - Stack Overflow

    May 17, 2016 · Using Func delegate with Async method Asked 9 years, 9 months ago Modified 1 year, 8 months ago Viewed 163k times