def desc(obj) puts "Object: #{obj} \tTyp: #{obj.class}" end desc("Hallo!") desc(42) desc(4.4333E-43) desc(true) desc(5..9) desc(nil) desc(String) desc(Class)
Object: Hallo! Typ: String Object: 42 Typ: Fixnum Object: 4.4333e-43 Typ: Float Object: true Typ: TrueClass Object: 5..9 Typ: Range Object: Typ: NilClass Object: String Typ: Class Object: Class Typ: Class