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  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4.  
  5. class Program
  6. {
  7.     public class Foo
  8.     {
  9.         public string data { get; set; }
  10.     }
  11.  
  12.     public class Bar : Foo
  13.     {
  14.     }
  15.  
  16.     static void Main(string[] args)
  17.     {
  18.         var bars = new List<Bar>();
  19.  
  20.         bars.Add(new Bar() { data = "hello" });
  21.         bars.Add(new Bar() { data = "world" });
  22.  
  23.         var resultsA = GetFoos(bars, (b => b.data.StartsWith("h")));
  24.         var resultsB = GetBars(bars, (b => b.data.StartsWith("h")));
  25.     }
  26.  
  27.     static List<Foo> GetFoos(IEnumerable<Foo> fooList, Func<Foo, bool> criteria)
  28.     {
  29.         return fooList.Where(criteria).ToList();
  30.     }
  31.  
  32.     static List<Bar> GetBars(IEnumerable<Bar> barList, Func<Bar, bool> criteria)
  33.     {
  34.         return barList.Where(criteria).ToList();
  35.     }
  36. }
Success #stdin #stdout 0.05s 24496KB
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https://ideone.com/1s3e4D
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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