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  1. using System;
  2. using System.Collections;
  3. using System.Collections.Generic;
  4. using System.Linq;
  5.  
  6. public class RingBuffer<T> : IEnumerable, IEnumerable<T> {
  7.         public RingBuffer(int size) {
  8.                 elements = new T[size];
  9.                 end = 0;
  10.         }
  11.  
  12.         public void Add(T element) {
  13.                 elements[end] = element;
  14.                 ++end;
  15.                 if (end == elements.Length) {
  16.                         end = 0;
  17.                 }
  18.         }
  19.  
  20.         IEnumerator IEnumerable.GetEnumerator() {
  21.                 return this.GetEnumerator();
  22.         }
  23.  
  24.         public IEnumerator<T> GetEnumerator() {
  25.                 for (var i = (end == elements.Length - 1 ? 0 : end + 1); i != end;) {
  26.                         yield return elements[i];
  27.                         if (i == elements.Length - 1) {
  28.                                 i = 0;
  29.                         } else {
  30.                                 ++i;
  31.                         }
  32.                 }
  33.         }
  34.  
  35.         private T[] elements;
  36.         private int end;
  37. }
  38.  
  39. public static class Program {
  40.         public static void Main() {
  41.                 var buffer = new RingBuffer<int>(10);
  42.  
  43.                 for (var i = 0; i < 100; ++i) {
  44.                         buffer.Add(i);
  45.                         Console.WriteLine(string.Join(", ", buffer));
  46.                 }
  47.         }
  48. }
  49.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cs(45,50): error CS1502: The best overloaded method match for `string.Join(string, string[])' has some invalid arguments
/usr/lib/mono/2.0/mscorlib.dll (Location of the symbol related to previous error)
prog.cs(45,50): error CS1503: Argument `#2' cannot convert `RingBuffer<int>' expression to type `string[]'
Compilation failed: 2 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/mxPvgM
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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