invoke additional arguments callback with any additional arguments found for the current parsed option

Author: siywilliams

FluentCommandLineParser/Internals/CommandLineOption.cs

@@ -155,6 +155,8 @@ public void Bind(ParsedOption value)
 			if (this.Parser.CanParse(value) == false) throw new OptionSyntaxException();
 
 			this.Bind(this.Parser.Parse(value));
+
+			this.BindAnyAdditionalArgs(value);
 		}
 
 		/// <summary>
@@ -172,6 +174,16 @@ void Bind(T value)
 				this.ReturnCallback(value);
 		}
 
+		void BindAnyAdditionalArgs(ParsedOption option)
+		{
+			if (!this.HasAdditionalArgumentsCallback) return;
+
+			if (option.AdditionalValues.Any())
+			{
+				this.AdditionalArgumentsCallback(option.AdditionalValues);
+			}
+		}
+
 		/// <summary>
 		/// Adds the specified description to the <see cref="ICommandLineOptionFluent{T}"/>.
 		/// </summary>