include/comphelper/anytohash.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_COMPHELPER_ANYTOHASH_HXX
  21 #define INCLUDED_COMPHELPER_ANYTOHASH_HXX
  22
  23 #include <comphelper/comphelperdllapi.h>
  24
  25 #include <optional>
  26
  27 namespace com::sun::star::uno
  28 {
  29 class Any;
  30 }
  31
  32 namespace comphelper
  33 {
  34 /** Tries to get a hash value for an ANY value.
  35
  36     Not all cases may be implemented, in which case no value is returned.
  37
  38     @param value
  39            ANY value
  40     @return
  41            hash of given ANY value, or not available
  42 */
  43 COMPHELPER_DLLPUBLIC std::optional<size_t> anyToHash(css::uno::Any const& value);
  44 }
  45
  46 #endif
  47
  48 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */