Csharp/CSharp Tutorial/LINQ/TakeWhile

Take numbers equals 50

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using System.Xml.Linq;
    class Program
    {
        static void Main(string[] args)
        {
            int[] integers = { 1, 9, 5, 3, 7, 2, 11, 23, 50, 41, 6, 8 };
            IEnumerable<int> takeWhileNumber = integers.TakeWhile(num => num.rupareTo(50) != 0);
            Console.WriteLine("Take while number equals 50");
            foreach (int num in takeWhileNumber)
            {
                Console.WriteLine(num.ToString());
            }
        }
    }

TakeWhile with condition

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
public class MainClass{
public static void Main() {
            int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
            
            var firstNumbersLessThan6 = numbers.TakeWhile(n => n < 6);
            
            Console.WriteLine("First numbers less than 6:");
            foreach (var n in firstNumbersLessThan6) {
                Console.WriteLine(n);
            }
        }
}

TakeWhile with expresion

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass {
    public static void Main() {
        string[] presidents = {"1234567890123", "Art", "Buch", "Bush", "Car", "land"};
        IEnumerable<string> items = presidents.TakeWhile(s => s.Length < 10);
        foreach (string item in items)
            Console.WriteLine(item);
    }
}

TakeWhile with two parameters

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass {
    public static void Main() {
        string[] presidents = {"ant", "Hard", "Harrison", "Hayes", "Hoover", "Jack"};
        IEnumerable<string> items = presidents
         .TakeWhile((s, i) => s.Length < 10 && i < 5);
        foreach (string item in items)
            Console.WriteLine(item);
    }
}

Use TakeWhile with index

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Linq;
public class MainClass{
   public static void Main(){
       int[] numbers = { 1, 3, 5, 4};
       var query = numbers.TakeWhile(( n, index) => n >= index);
       var query2 = numbers.SkipWhile(( n, index) => n >= index);
    }
}