(****************************************************************************** * HOL-TOY * * Copyright (c) 2011-2018 Université Paris-Saclay, Univ. Paris-Sud, France * 2013-2017 IRT SystemX, France * 2011-2015 Achim D. Brucker, Germany * 2016-2018 The University of Sheffield, UK * 2016-2017 Nanyang Technological University, Singapore * 2017-2018 Virginia Tech, USA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************) section‹A Toy Library for Objects in a State› theory Toy_Library imports Main begin type_notation option ("⟨_⟩⇩⊥") (* NOTE: "_⇩⊥" also works *) notation Some ("⌊(_)⌋") fun drop :: "'α option ⇒ 'α" ("⌈(_)⌉") where drop_lift[simp]: "⌈⌊v⌋⌉ = v" type_synonym oid = nat type_synonym 'α val' = "unit ⇒ 'α" type_notation val' ("⋅(_)") record ('𝔄)state = heap :: "oid ⇀ '𝔄 " assocs :: "oid ⇀ ((oid list) list) list" lemmas [simp,code_unfold] = state.defs end