From 9043add656177eeac1491a73d2f3ab92bec0013c Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@debian.org>
Date: Sat, 29 Dec 2018 14:31:27 -0500
Subject: Imported Upstream version 8.8.2

---
 engine/sigma.mli | 131 -------------------------------------------------------
 1 file changed, 131 deletions(-)
 delete mode 100644 engine/sigma.mli

(limited to 'engine/sigma.mli')

diff --git a/engine/sigma.mli b/engine/sigma.mli
deleted file mode 100644
index 7473a251..00000000
--- a/engine/sigma.mli
+++ /dev/null
@@ -1,131 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-open Names
-open Constr
-
-(** Monotonous state enforced by typing.
-
-    This module allows to constrain uses of evarmaps in a monotonous fashion,
-    and in particular statically suppress evar leaks and the like. To this
-    ends, it defines a type of indexed evarmaps whose phantom typing ensures
-    monotonous use.
-*)
-
-(** {5 Stages} *)
-
-type ('a, 'b) le
-(** Relationship stating that stage ['a] is anterior to stage ['b] *)
-
-val refl : ('a, 'a) le
-(** Reflexivity of anteriority *)
-
-val cons : ('a, 'b) le -> ('b, 'c) le -> ('a, 'c) le
-(** Transitivity of anteriority *)
-
-val (+>) : ('a, 'b) le -> ('b, 'c) le -> ('a, 'c) le
-(** Alias for {!cons} *)
-
-(** {5 Monotonous evarmaps} *)
-
-type 'r t
-(** Stage-indexed evarmaps. This is just a plain evarmap with a phantom type. *)
-
-type ('a, 'r) sigma = Sigma : 'a * 's t * ('r, 's) le -> ('a, 'r) sigma
-(** Return values at a later stage *)
-
-type 'r evar
-(** Stage-indexed evars *)
-
-(** {5 Constructors} *)
-
-val here : 'a -> 'r t -> ('a, 'r) sigma
-(** [here x s] is a shorthand for [Sigma (x, s, refl)] *)
-
-(** {5 Postponing} *)
-
-val lift_evar : 'r evar -> ('r, 's) le -> 's evar
-(** Any evar existing at stage ['r] is also valid at any later stage. *)
-
-(** {5 Downcasting} *)
-
-val to_evar_map : 'r t -> Evd.evar_map
-val to_evar : 'r evar -> Evar.t
-
-(** {5 Monotonous API} *)
-
-type 'r fresh = Fresh : 's evar * 's t * ('r, 's) le -> 'r fresh
-
-val new_evar : 'r t -> ?naming:Misctypes.intro_pattern_naming_expr ->
-  Evd.evar_info -> 'r fresh
-
-val define : 'r evar -> Constr.t -> 'r t -> (unit, 'r) sigma
-
-(** Polymorphic universes *)
-
-val new_univ_level_variable : ?loc:Loc.t -> ?name:string ->
-  Evd.rigid -> 'r t -> (Univ.universe_level, 'r) sigma
-val new_univ_variable : ?loc:Loc.t -> ?name:string ->
-  Evd.rigid -> 'r t -> (Univ.universe, 'r) sigma
-val new_sort_variable : ?loc:Loc.t -> ?name:string ->
-  Evd.rigid -> 'r t -> (Sorts.t, 'r) sigma
-
-val fresh_sort_in_family : ?loc:Loc.t -> ?rigid:Evd.rigid -> Environ.env ->
-  'r t -> Term.sorts_family -> (Term.sorts, 'r) sigma
-val fresh_constant_instance :
-  ?loc:Loc.t -> Environ.env -> 'r t -> constant -> (pconstant, 'r) sigma
-val fresh_inductive_instance :
-  ?loc:Loc.t -> Environ.env -> 'r t -> inductive -> (pinductive, 'r) sigma
-val fresh_constructor_instance : ?loc:Loc.t -> Environ.env -> 'r t -> constructor ->
-  (pconstructor, 'r) sigma
-
-val fresh_global : ?loc:Loc.t -> ?rigid:Evd.rigid -> ?names:Univ.Instance.t -> Environ.env ->
-  'r t -> Globnames.global_reference -> (constr, 'r) sigma
-
-(** FILLME *)
-
-(** {5 Run} *)
-
-type 'a run = { run : 'r. 'r t -> ('a, 'r) sigma }
-
-val run : Evd.evar_map -> 'a run -> 'a * Evd.evar_map
-
-(** {5 Imperative monotonic functions} *)
-
-type evdref
-(** Monotonic references over evarmaps *)
-
-val apply : evdref -> 'a run -> 'a
-(** Apply a monotonic function on a reference. *)
-
-val purify : (evdref -> 'a) -> 'a run
-(** Converse of {!apply}. *)
-
-(** {5 Unsafe primitives} *)
-
-module Unsafe :
-sig
-  val le : ('a, 'b) le
-  val of_evar_map : Evd.evar_map -> 'r t
-  val of_evar : Evd.evar -> 'r evar
-  val of_ref : Evd.evar_map ref -> evdref
-  val of_pair : ('a * Evd.evar_map) -> ('a, 'r) sigma
-end
-
-(** {5 Notations} *)
-
-module Notations :
-sig
-  type ('a, 'r) sigma_ = ('a, 'r) sigma =
-    Sigma : 'a * 's t * ('r, 's) le -> ('a, 'r) sigma_
-
-  type 'a run_ = 'a run = { run : 'r. 'r t -> ('a, 'r) sigma }
-
-  val (+>) : ('a, 'b) le -> ('b, 'c) le -> ('a, 'c) le
-  (** Alias for {!cons} *)
-end
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