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Iterator [C#] List<string> animals - GetEnumerator, MoveNext, Current
More Code 2018. 6. 15. 20:30// C# : Iterator
using System;
using System.Collections;
using System.Collections.Generic;
namespace Iteration
{
class Program
{
static void Main(string[] args)
{
List<string> animals = new List<string>();
animals.Add("Dog");
animals.Add("Cat");
animals.Add("Fox");
IEnumerator myEnumerator = animals.GetEnumerator();
Console.WriteLine(myEnumerator.MoveNext()); // True
Console.WriteLine(myEnumerator.Current); // Dog
Console.WriteLine(myEnumerator.MoveNext()); // True
Console.WriteLine(myEnumerator.Current); // Cat
Console.WriteLine(myEnumerator.MoveNext()); // True
Console.WriteLine(myEnumerator.Current); // Fox
Console.WriteLine(myEnumerator.MoveNext()); // False
Console.WriteLine(myEnumerator.Current); // InvalidOperationException
}
}
}
/* Output
True
Dog
True
Cat
True
Fox
False
Unhandled Exception: System.InvalidOperationException
*/