Update years in copyright headers.

theories/base.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects type class interfaces, notations, and general theorems
 that are used throughout the whole development. Most importantly it contains

theories/bset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements bsets as functions into Prop. *)
 From stdpp Require Export prelude.

theories/coPset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements the type [coPset] of efficient finite/cofinite sets
 of positive binary naturals [positive]. These sets are:

theories/collections.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects definitions and theorems on collections. Most
 importantly, it implements some tactics to automatically solve goals involving

theories/countable.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From Coq.QArith Require Import QArith_base Qcanon.
 From stdpp Require Export list numbers.

theories/decidable.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects theorems, definitions, tactics, related to propositions
 with a decidable equality. Such propositions are collected by the [Decision]

theories/fin.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose definitions and theorems on the fin type
 (bounded naturals). It uses the definitions from the standard library, but

theories/fin_collections.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects definitions and theorems on finite collections. Most
 importantly, it implements a fold and size function and some useful induction

theories/fin_map_dom.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file provides an axiomatization of the domain function of finite
 maps. We provide such an axiomatization, instead of implementing the domain

theories/fin_maps.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** Finite maps associate data to keys. This file defines an interface for
 finite maps and collects some theory on it. Most importantly, it proves useful

theories/finite.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Export countable vector.
 Set Default Proof Using "Type".

theories/functions.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Export base tactics.
 Set Default Proof Using "Type".

theories/gmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite maps and finite sets with keys of any countable
 type. The implementation is based on [Pmap]s, radix-2 search trees. *)

theories/gmultiset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Import gmap.
 Set Default Proof Using "Type".

theories/hashset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite set using hash maps. Hash sets are represented
 using radix-2 search trees. Each hash bucket is thus indexed using an binary

theories/hlist.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Import tactics.
 Set Default Proof Using "Type".

theories/infinite.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Import pretty fin_collections relations prelude gmap.
 

theories/lexico.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files defines a lexicographic order on various common data structures
 and proves that it is a partial order having a strong variant of trichotomy. *)

theories/list.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose definitions and theorems on lists that
 are not in the Coq standard library. *)

theories/listset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite set as unordered lists without duplicates
 removed. This implementation forms a monad. *)

theories/listset_nodup.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite as unordered lists without duplicates.
 Although this implementation is slow, it is very useful as decidable equality

theories/mapset.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files gives an implementation of finite sets using finite maps with
 elements of the unit type. Since maps enjoy extensional equality, the

theories/natmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements a type [natmap A] of finite maps whose keys range
 over Coq's data type of unary natural numbers [nat]. The implementation equips

theories/nmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files extends the implementation of finite over [positive] to finite
 maps whose keys range over Coq's data type of binary naturals [N]. *)

theories/numbers.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects some trivial facts on the Coq types [nat] and [N] for
 natural numbers, and the type [Z] for integers. It also declares some useful

theories/option.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose definitions and theorems on the option
 data type that are not in the Coq standard library. *)

theories/orders.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** Properties about arbitrary pre-, partial, and total orders. We do not use
 the relation [⊆] because we often have multiple orders on the same structure *)

theories/pmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements an efficient implementation of finite maps whose keys
 range over Coq's data type of positive binary naturals [positive]. The

theories/prelude.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Export
   base

theories/pretty.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Export strings.
 From stdpp Require Import relations numbers.

theories/proof_irrel.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects facts on proof irrelevant types/propositions. *)
 From stdpp Require Export base.

theories/relations.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects definitions and theorems on abstract rewriting systems.
 These are particularly useful as we define the operational semantics as a

theories/set.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements sets as functions into Prop. *)
 From stdpp Require Export collections.

theories/sorting.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** Merge sort. Adapted from the implementation of Hugo Herbelin in the Coq
 standard library, but without using the module system. *)

theories/streams.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From stdpp Require Export tactics.
 Set Default Proof Using "Type".

theories/stringmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements an efficient implementation of finite maps whose keys
 range over Coq's data type of strings [string]. The implementation uses radix-2

theories/strings.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From Coq Require Import Ascii.
 From Coq Require Export String.

theories/tactics.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose tactics that are used throughout
 the development. *)

theories/vector.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose definitions and theorems on vectors
 (lists of fixed length). It uses the definitions from the standard library, but

theories/zmap.v

-(* Copyright (c) 2012-2017, Coq-std++ developers. *)
+(* Copyright (c) 2012-2019, Coq-std++ developers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files extends the implementation of finite over [positive] to finite
 maps whose keys range over Coq's data type of binary naturals [Z]. *)