source: rrlib_util/variadic_templates.h @ 54:3542f9ebe7f0

Last change on this file since 54:3542f9ebe7f0 was 54:3542f9ebe7f0, checked in by Tobias Föhst <foehst@…>, 8 years ago

Added helper to process value lists from variadic templates

File size: 3.0 KB
Line 
1//
2// You received this file as part of RRLib
3// Robotics Research Library
4//
5// Copyright (C) Finroc GbR (finroc.org)
6//
7// This program is free software; you can redistribute it and/or
8// modify it under the terms of the GNU General Public License
9// as published by the Free Software Foundation; either version 2
10// of the License, or (at your option) any later version.
11//
12// This program is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License
18// along with this program; if not, write to the Free Software
19// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
20//
21//----------------------------------------------------------------------
22/*!\file    join.h
23 *
24 * \author  Tobias Foehst
25 *
26 * \date    2012-05-04
27 *
28 * \brief
29 *
30 * \b join
31 *
32 */
33//----------------------------------------------------------------------
34#ifndef __rrlib__util__variadic_templates_h__
35#define __rrlib__util__variadic_templates_h__
36
37//----------------------------------------------------------------------
38// External includes (system with <>, local with "")
39//----------------------------------------------------------------------
40#include <functional>
41
42//----------------------------------------------------------------------
43// Internal includes with ""
44//----------------------------------------------------------------------
45
46//----------------------------------------------------------------------
47// Debugging
48//----------------------------------------------------------------------
49
50//----------------------------------------------------------------------
51// Namespace declaration
52//----------------------------------------------------------------------
53namespace rrlib
54{
55namespace util
56{
57
58//----------------------------------------------------------------------
59// Forward declarations / typedefs / enums
60//----------------------------------------------------------------------
61
62//----------------------------------------------------------------------
63// Function declaration
64//----------------------------------------------------------------------
65
66template <typename THead>
67inline void ProcessVariadicValues(std::function<void(const THead &)> process_value)
68{}
69
70template <typename THead, typename ... TTail>
71//inline void ProcessVariadicValues(const THead &head, const TTail &... tail, std::function<void(const THead &)> process_value) FIXME: will probably be valid with gcc 4.6 and does not need hints at instantiation
72inline void ProcessVariadicValues(std::function<void(const THead &)> process_value, const THead &head, const TTail &... tail)
73{
74  process_value(head);
75  ProcessVariadicValues(process_value, tail...);
76}
77
78//----------------------------------------------------------------------
79// End of namespace declaration
80//----------------------------------------------------------------------
81}
82}
83
84#endif
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