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. *)