Answers for "How to write function in C#"

functions in c#

using System;
					
public class Program
{
	public static void Main()
	{
		//functions can have retun type name and optional parameters 
		Console.WriteLine("-------functions---------");
		float MilesToKm(float miles){
			float km = miles*1.6f ; 
			return km ;
		}
		//calling a function
		Console.WriteLine(MilesToKm(3.0f));
		
		
		
	}
}

c# funtion

public int AddNumbers(int number1, int number2){    int result = number1 + number2;    if(result > 10)    {    return result;    }    return 0;}

function c#

public int AddNumbers(int number1, int number2)
{
    int result = number1 + number2;
    return result;
}

function in c#

//function example
using System;
					
public class Program
{
	static void function(){
		Console.WriteLine("I am a function!");
	}
	public static void Main()
	{
		function();
	}
}

c# func

using System;
using System.Collections.Generic;
using static System.Console;
namespace CSFlow.Delegates.Others
{
    public class ActionFunc
    {

        public static void Run ()
        {
            // Example of : Action
            // Use action when a mathod return void
            Action<string> display = new Action<string>(DisplayMessage);
            display("Calculate Discount :");

            // Example of : Func
            // Use action when a mathod return value
            Func<double, double> discount = new Func<double, double>(Discount);
            display(discount(12.5).ToString());

            List<Customer> custList = new List<Customer>();
            custList.Add(new Customer { Id = 1, FirstName = "Joydip", LastName = "Kanjilal", State = "Telengana", City = "Hyderabad", Address = "Begumpet", Country = "India" });
            custList.Add(new Customer { Id = 2, FirstName = "Steve", LastName = "Jones", State = "OA", City = "New York", Address = "Lake Avenue", Country = "US" });
            custList.Add(new Customer { Id = 3, FirstName = "Sefat", LastName = "Anam", State = "OSA", City = "New York", Address = "Manhatten", Country = "US" });

            // Example of : Predicate
            // Use Predicate for search data
            Predicate<Customer> FindAddress = customer => customer.Address == "Manhatten";

            Customer searchData = custList.Find(FindAddress);

            display($"{searchData?.FirstName} {searchData?.LastName} From - {searchData?.City} ");

            ReadKey();
        }

        static void DisplayMessage (string message)
        {
            WriteLine(message);
        }

        static double Discount (double money)
        {
            return money * .5;
        }

        class Customer
        {
            public int Id { get; set; }
            public string FirstName { get; set; }
            public string LastName { get; set; }
            public string Address { get; set; }
            public string City { get; set; }
            public string State { get; set; }
            public string Country { get; set; }
        }
    }
}

functions in c#

using UnityEngine;

public class Gun : MonoBehaviour
{

    public float damage = 10f;
    public float range = 100f;

    public Camera fpsCam;
    public ParticleSystem muzzleFlash;

    // Update is called once per frame
    void Update()
    {

        if (Input.GetButtonDown("Fire1"))
        {
            // Call function
            Shoot();
        }

    }

    // Declare & Program function
    void Shoot ()
    {

        muzzleFlash.Play();

        RaycastHit hit;

        if (Physics.Raycast(fpsCam.transform.position, fpsCam.transform.forward, out hit, range))
        {
            Debug.Log(hit.transform.name);

            Target target = hit.transform.GetComponent<Target>();
            if (target != null)
            {
                target.TakeDamage(damage);
            }
        }
    }
}