CSharp - Use condition with LongCount operator

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Description

Use condition with LongCount operator

Demo

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
class Program//  w ww .  j a v  a 2s  .  c  o  m
{
    static void Main(string[] args)
    {
        long count = Enumerable.
                        Range(0, int.MaxValue).
                        Concat(Enumerable.Range(0, int.MaxValue)).
                        LongCount(n => n > 1 && n < 4);
        
        Console.WriteLine(count);
    }
}

Result

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