It should be: type Person lastname::String firstname::String end
fullname(p::Person) = "$(p.firstname) $(p.lastname)"
jan = Person("Janssen", "Jan")
println(fullname(jan))
It should be: type Person lastname::String firstname::String end
fullname(p::Person) = "$(p.firstname) $(p.lastname)"
jan = Person("Janssen", "Jan")
println(fullname(jan))