Ocamlary.CanonicalTest
      module 
       Base
      
       : sig ... 
       end
      
     
    
      module 
       Base_Tests
      
       : sig ... 
       end
      
     
    
      module 
       List_modif
      
       : module 
       type of
        Base.List
        with 
       type 
        'c t
         = 
        'c 
         Base.List.t