Recompiling module `typeclass_method_pragma_r':
  typeclass `typeclass_method_pragma_r_2.io'/1 was modified.
typeclass_method_pragma_r.m:015: Warning: call to obsolete type class predicate
typeclass_method_pragma_r.m:015:   method
typeclass_method_pragma_r.m:015:   `typeclass_method_pragma_r_2.output'/3.
