no_method.m:035: In clause for instance method function `func_a'/3:
no_method.m:035:   error: [38;5;203mwrong number of arguments[39;49m ([38;5;203m3[39;49m; should be [38;5;40m2[39;49m) in use of
no_method.m:035:   constructor [38;5;87m`one_str'.[39;49m
no_method.m:043: In clause for instance method function `func_c'/3:
no_method.m:043:   type error in unification of variable `HeadVar__4'
no_method.m:043:   and functor `three_str'/3.
no_method.m:043:   [38;5;87mVariable `HeadVar__4'[39;49m has type
no_method.m:043:     [38;5;203mstring,[39;49m
no_method.m:043:   [38;5;87mfunctor `three_str'/3[39;49m has type
no_method.m:043:     [38;5;40mthree_str(string, string, string): func(int) = string.[39;49m
For more information, recompile with `-E'.