val tags' (l: P.struct_typ') : Tot Type0
let tags' (l: P.struct_typ') : Tot Type0 =
  tl: list UInt32.t {
    List.Tot.length tl == List.Tot.length l /\
    List.Tot.noRepeats tl
  }
val tags' (l: P.struct_typ') : Tot Type0
let tags' (l: P.struct_typ') : Tot Type0 =
tl: list UInt32.t {List.Tot.length tl == List.Tot.length l /\ List.Tot.noRepeats tl}
FStar.TaggedUnion.fsti.checked
prims.fst.checked FStar.UInt32.fsti.checked FStar.Pointer.fst.checked FStar.Pervasives.fsti.checked FStar.List.Tot.fst.checked FStar.HyperStack.ST.fsti.checked FStar.HyperStack.fst.checked
FStar.TaggedUnion.fsti
FStar.Pointer.Base.struct_typ' Prims.list FStar.UInt32.t Prims.l_and Prims.eq2 Prims.nat FStar.List.Tot.Base.length FStar.Pervasives.Native.tuple2 Prims.string FStar.Pointer.Base.typ Prims.b2t FStar.List.Tot.Base.noRepeats
(*
   Copyright 2008-2018 Microsoft Research

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*)
module FStar.TaggedUnion

module P = FStar.Pointer
module HS = FStar.HyperStack
module HST = FStar.HyperStack.ST

(** Code

  The code of a tagged union with fields `l` is `typ l`
*)

val typ (l: P.union_typ) : P.typ

(******************************************************************************)

(* Tagging, at the logical level

  `tags l` defines "physical tags" (i.e. integers) for the fields of `l`.
*)
val tags' (l: P.struct_typ') : Tot Type0
l: FStar.Pointer.Base.struct_typ' -> Type0