Iterated values can be dynamically constructed. : IEnumerator « Data Structure « C# / CSharp Tutorial

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C# / CSharp Tutorial » Data Structure » IEnumerator 
11.44.2.Iterated values can be dynamically constructed.
using System; 
using System.Collections; 
 
class MyClass { 
  char ch = 'A'; 
 
  public IEnumerator GetEnumerator() { 
    for(int i=0; i < 26; i++) 
      yield return (char) (ch + i); 
  } 
} 
 
class MainClass { 
  public static void Main() { 
    MyClass mc = new MyClass(); 
 
    foreach(char ch in mc) 
      Console.Write(ch + " "); 
 
    Console.WriteLine(); 
  } 
}
 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
11.44.IEnumerator
11.44.1.A simple example of an iterator.
11.44.2.Iterated values can be dynamically constructed.
11.44.3.Use named iterators
11.44.4.Use the Enumerable pattern
11.44.5.Implement IEnumerable and IEnumerator
11.44.6.Define custom enumerators and use foreach to loop through
11.44.7.Build your own IEnumerator/IEnumerable and use it in foreach loop
11.44.8.Circular Iterator
11.44.9.Iteration Sample
11.44.10.Iterator Workflow
11.44.11.IEnumerator and ArrayList, BitArray, Hashtable and array
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