C at 3:7 is a type or class defined here a at 3:9 is none cee at 4:5 is a value bound here a at 4:12 is none C at 6:8 is a global type class, ClassConstraints.C C at 6:8 is a global type class, ClassConstraints.C a at 6:10 is none D at 6:16 is a type or class defined here a at 6:18 is none dee at 7:5 is a value bound here a at 7:12 is none