Lambdas, C# - rextester

Lambdas

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            List<string> input = new List<string>() { "hola","adios", "hello", "casa" } ;
 
            LambdaFilter<string> filter = new LambdaFilter<string>(s => s.EndsWith("a"));
            List<string> output = filter.Filter(input);
            
            foreach(string s in output)
            {
                Console.WriteLine(s);
            }
            
            List<int> inputNum = new List<int>() { 1,2,3,-2 } ;
 
            LambdaFilter<int> filterNum = new LambdaFilter<int>(n => n < 0);
            
            List<int> outputNum = filterNum.Filter(inputNum);
            
            foreach(int i in outputNum)
            {
                Console.WriteLine(i);
            }
            
        }

}
    
    
    public class LambdaFilter<TItem>
    {
        Func<TItem,bool> predicate;
            
        public LambdaFilter(Func<TItem,bool> predicate)
        {
            this.predicate = predicate;
        }
        
         public List<TItem> Filter(List<TItem> input)
        {
             return new List<TItem>(input.Where(predicate));
        }
    }
    
    
      
    
}


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