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  1. using System;
  2. using System.Collections.Generic;
  3.  
  4. public class Test
  5. {
  6.     static void AddAll(ref int x, List<int> values)
  7.     {
  8.         //values.ForEach(v => x += v); // <-- не скомпилируется
  9.         foreach(int v in values) x += v;
  10.     }
  11.  
  12.     public static void Main()
  13.     {
  14.         int result = 0;
  15.         List<int> l1 = new List<int> { 1, 2, 3 };
  16.         List<int> l2 = new List<int> { 4, 5 };
  17.         AddAll(ref result, l1);
  18.         AddAll(ref result, l2);
  19.         Console.WriteLine(result);
  20.     }
  21. }
Success #stdin #stdout 0.03s 15080KB
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15
https://ideone.com/TZbm4U
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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