Added some C# snippets #98

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	---
	title: Swap two items at determined indexes
	description: Swaps two items at determined indexes
	author: omegaleo
	tags: csharp,c#,list,utility
	---

	```csharp
	/// <summary>
	/// Swaps the position of 2 elements inside of a List
	/// </summary>
	/// <returns>List with swapped elements</returns>
	public static IList<T> Swap<T>(this IList<T> list, int indexA, int indexB)
	{
	(list[indexA], list[indexB]) = (list[indexB], list[indexA]);
	return list;
	}

	var list = new List<string>() {"Test", "Test2"};

	Console.WriteLine(list[0]); // Outputs: Test
	Console.WriteLine(list[1]); // Outputs: Test2

	list = list.Swap(0, 1).ToList();

	Console.WriteLine(list[0]); // Outputs: Test2
	Console.WriteLine(list[1]); // Outputs: Test
	```

21 changes: 21 additions & 0 deletions snippets/csharp/string-utilities/truncate-string.md

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	---
	title: Truncate a String
	description: Cut off a string once it reaches a determined amount of characters and add '...' to the end of the string
	author: omegaleo
	tags: csharp,c#,list,utility
	---

	```csharp
	/// <summary>
	/// Cut off a string once it reaches a <paramref name="maxChars"/> amount of characters and add '...' to the end of the string
	/// </summary>
	public static string Truncate(this string value, int maxChars)
	{
	return value.Length <= maxChars ? value : value.Substring(0, maxChars) + "...";
	}

	var str = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam tristique rhoncus bibendum. Vivamus laoreet tortor vel neque lacinia, nec rhoncus ligula pellentesque. Nullam eu ornare nibh. Donec tincidunt viverra nulla.";

	Console.WriteLine(str); // Outputs the full string
	Console.WriteLine(str.Truncate(5)); // Outputs Lorem...
	```

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