Tests if a specific element in this Map exists and is a Sofu.Value
            
 Parameters
 Parameters- key (String)
- Element to look for
 Return Value
 Return ValueTrue if the element is there and is a Value, false otherwise
 Examples
 Examples CopyC#
CopyC#Sofu.Sofu.Map file = SofuReader.LoadFile("file.sofu"); if (file.HasValue("Title")) { Console.WriteLine(file.value("Title").ToString()); } else { Console.Out.WriteLine("--- INSERT TITLE HERE ---"); }