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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Names
open Mod_subst
open Glob_term
open Pattern
open EConstr
open Ltac_pretype
(** {5 Functions on patterns} *)
val constr_pattern_eq : constr_pattern -> constr_pattern -> bool
val occur_meta_pattern : constr_pattern -> bool
val subst_pattern : substitution -> constr_pattern -> constr_pattern
val noccurn_pattern : int -> constr_pattern -> bool
exception BoundPattern
(** [head_pattern_bound t] extracts the head variable/constant of the
type [t] or raises [BoundPattern] (even if a sort); it raises an anomaly
if [t] is an abstraction *)
val head_pattern_bound : constr_pattern -> GlobRef.t
(** [head_of_constr_reference c] assumes [r] denotes a reference and
returns its label; raises an anomaly otherwise *)
val head_of_constr_reference : Evd.evar_map -> constr -> GlobRef.t
(** [pattern_of_constr c] translates a term [c] with metavariables into
a pattern; currently, no destructor (Cases, Fix, Cofix) and no
existential variable are allowed in [c] *)
val pattern_of_constr : Environ.env -> Evd.evar_map -> Constr.constr -> constr_pattern
(** [pattern_of_glob_constr l c] translates a term [c] with metavariables into
a pattern; variables bound in [l] are replaced by the pattern to which they
are bound *)
val pattern_of_glob_constr : glob_constr ->
patvar list * constr_pattern
val instantiate_pattern : Environ.env ->
Evd.evar_map -> extended_patvar_map ->
constr_pattern -> constr_pattern
val lift_pattern : int -> constr_pattern -> constr_pattern
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