Func is a family of delegate types in the .Net framework.
Func is a family of delegate types in the .net framework. They are in the System namespace and can be used to represent a function that returns a value and has zero or more parameters.
Questions tagged [func]
1154 questions
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votes
1 answer
Lambda functions in generic C# method
I'm trying to better understand lambda expressions with generic methods, I have some code for opening a connection and getting some information from a session I frequently use.
My goal is to pass in a object of Type T which can then get data from…
Tim Kalinowski
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votes
1 answer
Getting results from each method within a delegate
I'm using a delegate to hold a few methods that test a value and return a true/false result. After learning that a call to a delegate will only return the result of the last method in the delegate, I'm unsure of how to proceed.
I'd like to receive…
Trent
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votes
2 answers
Accessing the out parameter of a Function when it is invoked through a Func
Apologies I haven't done very well with the title of the question, hopefully it will be apparenent with some code
I've created a class that stores poker hand information as follows
public class BestHandSummary
{
public Func Test {…
user48408
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3 answers
How can I call another class method into another class method in PHP
I'm trying to get the method using call_user_func in PHP but the fact is I can't get it in proper way. My data is stored into another class method and I would like to fetch that data into another class method. First of all I've create an object with…
Adnan Shawkat
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1 answer
Wrong result of print in FUNC
I have problem with this code, the code need to print this result:
56789 56789
But the result is:
99999 99999
why?
class Program
{
static int m_k = 0;
static Func[] P=new Func[5];
static void F(int n,Func[] T)
…
user2110287
-1
votes
1 answer
Await method with Func Delegate as parameter: compilation error
Initial Statement
I would like to call asynchronously an operation to which I pass a delegate as a parameter (details below). The compiler gives me an error. Could someone point me in the right direction?
Async function:
private async Task…
Iulian
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votes
1 answer
Can Ninject use an anonymous delegate (func) as a ConstructorArgument?
I have a repository abstract class that encapsulates pretty much all of the CRUD functionality:
public abstract class DataRepository : IRepository
where T : class
{
public DataContext Context { get; private set; }
public…
Mathieu Guindon
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votes
4 answers
Passing method as parameter to function
Is there a way of passing in a method to a function as a parameter and then calling it via list.Sort()? I've tried this:
public static string BuildHumanSitemap(Func sortMethod, params string[] classNames)
{
//calling…
DGibbs
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votes
1 answer
SwiftUI: Where to Populate Arrays?
A naive question that I'll ask naively. If I have an array:
var testArray = [Double](repeating: 0.0, count: 100)
And want to populate it, in this instance with some dummy data:
func populateTestArray() {
ForEach((0 ..< testArray.count), id:…
Edward Hasted
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votes
3 answers
Is there a way to take a synchronous method that may or may not return a value and add it to a List>?
In the process of refactoring some legacy code at work and part of it is to convert an instance of List to List>. Elsewhere in the codebase, there are several instances of something along the lines of this:
entity.Tasks.Add(() =>…
UW_Huskies_01
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votes
2 answers
How Can I read a string from a txt file line by line and run it with a function?
I have a txt file named a.txt. In this file a has a string per line. I want to append these strings line by line to the keyword = {} dict and run my double_letter function for each line of string. How can I do it?
my double_letter function:
keyword…
user19485047
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votes
2 answers
defining a fuction using the for loop / Python
I need to define a function using the for loop. it's purpose is to check whether a letter included in secret_word is already included in the old_letters_guessed list. if it is, the function returns True. else, False. This is what I wrote thus…
Natilir
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votes
3 answers
C# - Wait for Task with return value
I want to have a code block, which should be executed with a maximum time limit. If the functions hangs, it should be aborted.
From this question I adapted the following solution:
public static void ExecuteWithTimeLimit(int timeLimit_milliseconds,…
Pixel_95
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votes
1 answer
What is a possible approach to write strategy pattern in a functional style in C#?
There are several approaches in another languages like
What is the functional analogue of a Strategy pattern?
Strategy pattern in F#
But what about implementation in c#? Any ideas?
Anton Gridushko
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3 answers
javascript explain this code function call it self
please someone explain this to me
function func(x, n) {
if (n == 1) {
return x;
} else {
return x * func(x, n - 1);
}
}
console.log(func(2, 4)); // 16
how do answer is 16
I could not understand more than this
when if is false it…
essencode
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