File "test_loc_type_eq.ml", line 1, characters 49-76:
1 | module M : Test_functor.S with type elt = unit = Test_functor.Apply (String)
                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error: Signature mismatch:
       ...
       Type declarations do not match:
         type elt = String.t
       is not included in
         type elt = unit
       The type String.t = string is not equal to the type unit
       File "test_loc_type_eq.ml", line 1, characters 31-46:
         Expected declaration
       File "test_functor.ml", line 8, characters 45-61: Actual declaration
File "test_loc_modtype_type_eq.ml", line 3, characters 15-42:
3 | module M : S = Test_functor.Apply (String)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error: Signature mismatch:
       Modules do not match:
         sig
           type elt = String.t
           type t = Test_functor.Apply(String).t
           val create : elt -> t
         end
       is not included in
         S
       Type declarations do not match:
         type elt = String.t
       is not included in
         type elt = unit
       The type String.t = string is not equal to the type unit
       File "test_loc_modtype_type_eq.ml", line 1, characters 36-51:
         Expected declaration
       File "test_functor.ml", line 8, characters 45-61: Actual declaration
File "test_loc_type_subst.ml", line 1, characters 50-77:
1 | module M : Test_functor.S with type elt := unit = Test_functor.Apply (String)
                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error: Signature mismatch:
       Modules do not match:
         sig
           type elt = String.t
           type t = Test_functor.Apply(String).t
           val create : elt -> t
         end
       is not included in
         sig type t val create : unit -> t end
       Values do not match:
         val create : elt -> t
       is not included in
         val create : unit -> t
       The type elt -> t is not compatible with the type unit -> t
       Type elt = string is not compatible with type unit
       File "test_loc_type_subst.ml", line 1, characters 11-47:
         Expected declaration
       File "test_functor.ml", line 5, characters 2-23: Actual declaration
File "test_loc_modtype_type_subst.ml", line 3, characters 15-42:
3 | module M : S = Test_functor.Apply (String)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error: Signature mismatch:
       Modules do not match:
         sig
           type elt = String.t
           type t = Test_functor.Apply(String).t
           val create : elt -> t
         end
       is not included in
         S
       Values do not match:
         val create : elt -> t
       is not included in
         val create : unit -> t
       The type elt -> t is not compatible with the type unit -> t
       Type elt = string is not compatible with type unit
       File "test_loc_modtype_type_subst.ml", line 1, characters 16-52:
         Expected declaration
       File "test_functor.ml", line 5, characters 2-23: Actual declaration