feat: Added extension method for peeking queues

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+ - Added extension method for peeking queues
+
 ## [9.3.0] - 2019-04-16
 ### Added
  - Added SPlusUtils with ConvertToInt method taking LowWord/HighWord ushorts

ICD.Common.Utils/Extensions/QueueExtensions.cs

@@ -43,5 +43,26 @@ namespace ICD.Common.Utils.Extensions
 			item = extends.Dequeue();
 			return true;
 		}
+
+		/// <summary>
+		/// Peeks the next item in the queue. Returns false if the queue is empty.
+		/// </summary>
+		/// <typeparam name="T"></typeparam>
+		/// <param name="extends"></param>
+		/// <param name="item"></param>
+		/// <returns></returns>
+		public static bool Peek<T>(this Queue<T> extends, out T item)
+		{
+			if (extends == null)
+				throw new ArgumentNullException("extends");
+
+			item = default(T);
+
+			if (extends.Count == 0)
+				return false;
+
+			item = extends.Peek();
+			return true;
+		}
 	}
 }