Typerep_lib.Typerep_obj
val repr_of_poly_variant : [> ] -> int
some utils related to the runtime of ocaml, used both at compile time (camlp4) and runtime. to be considered the same way than Obj (internal, unsafe, etc.)
Obj
val hash_variant : string -> int
val double_array_value : 'a
val has_double_array_tag : 'a -> bool