Example
Parameters can be marked as optional by giving them a default value. Optional parameters can be omitted when calling the function.
string greet (string name, string language = "English") {
if (language == "English") {
return @"Hello, $name!";
} else {
return @"Sorry $name, I don't speak $language";
}
}
greet ("John");
greet ("Jane", "Italian");
