invalid_instance_declarations.m:017: In instance declaration for `tc(((func) =
invalid_instance_declarations.m:017:   T), int)':
invalid_instance_declarations.m:017:   error: the first instance type
invalid_instance_declarations.m:017:   `((func) = T)' is a higher order type;
invalid_instance_declarations.m:017:   it should be a type constructor applied
invalid_instance_declarations.m:017:   to zero or more type variables.
invalid_instance_declarations.m:018: In instance declaration for `tc(t(int),
invalid_instance_declarations.m:018:   int)':
invalid_instance_declarations.m:018:   error: in the first instance type, one
invalid_instance_declarations.m:018:   of the arguments of the type constructor
invalid_instance_declarations.m:018:   `t'/1 is not a type variable, but should
invalid_instance_declarations.m:018:   be. This is the first argument, `int'.
invalid_instance_declarations.m:019: In instance declaration for `tc(t(int),
invalid_instance_declarations.m:019:   t(int, string))':
invalid_instance_declarations.m:019:   error: in the first instance type, one
invalid_instance_declarations.m:019:   of the arguments of the type constructor
invalid_instance_declarations.m:019:   `t'/1 is not a type variable, but should
invalid_instance_declarations.m:019:   be. This is the first argument, `int'.
invalid_instance_declarations.m:019: In instance declaration for `tc(t(int),
invalid_instance_declarations.m:019:   t(int, string))':
invalid_instance_declarations.m:019:   error: in the second instance type, some
invalid_instance_declarations.m:019:   of the arguments of the type constructor
invalid_instance_declarations.m:019:   `t'/2 are not type variables but should
invalid_instance_declarations.m:019:   be. These are the first argument, `int'
invalid_instance_declarations.m:019:   and the second argument, `string'.