- add function to convert enumberable to gBase string

GBase/Helpers/Enumerables.cs

@@ -0,0 +1,32 @@
+// Author: Gockner, Simon
+// Created: 2020-02-13
+// Copyright(c) 2020 SimonG. All Rights Reserved.
+
+using System.Collections;
+using System.Text;
+
+namespace GBase.Helpers
+{
+    internal static class Enumerables
+    {
+        /// <summary>
+        /// Convert an <see cref="IEnumerable"/> to a GBase <see cref="string"/>
+        /// </summary>
+        /// <param name="enumerable">The <see cref="IEnumerable"/></param>
+        /// <returns></returns>
+        public static string ToGBaseString(this IEnumerable enumerable)
+        {
+            StringBuilder @string = new StringBuilder();
+            foreach (var item in enumerable)
+            {
+                @string.Append($"{item},");
+            }
+
+            char lastChar = @string[^1];
+            if (lastChar == ',')
+                @string.Remove(@string.Length - 1, 1);
+
+            return @string.ToString();
+        }
+    }
+}