.NET Framework Standard Library Annotated Reference, Volume 1: Base Class Library and Extended Numerics Library

Type Summary

						public sealed class CharEnumerator : IEnumerator,
                                   ICloneable
{
  // Properties
     public char Current { get; }

  // Methods
     public object Clone ();
     public bool MoveNext ();
     public void Reset ();

  // Explicit Interface Members
     object IEnumerator.Current { get; }
}

BA Our reason for adding this class to the BCL was not that we felt there was a huge demand for enumerating characters. It was required to enable efficient support for applying foreach over strings. Simply using IEnumerator would have caused a boxing operation for each character accessed out of the string. string s = "John Smith"; foreach (char c in s) { Console.WriteLine ("{0}-", c); } A side note on this is that the C# compiler now does not even use this class. It special-cases ...