2 Copyright 2005-2014 Intel Corporation. All Rights Reserved.
4 This file is part of Threading Building Blocks. Threading Building Blocks is free software;
5 you can redistribute it and/or modify it under the terms of the GNU General Public License
6 version 2 as published by the Free Software Foundation. Threading Building Blocks is
7 distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
8 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
9 See the GNU General Public License for more details. You should have received a copy of
10 the GNU General Public License along with Threading Building Blocks; if not, write to the
11 Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
13 As a special exception, you may use this file as part of a free software library without
14 restriction. Specifically, if other files instantiate templates or use macros or inline
15 functions from this file, or you compile this file and link it with other files to produce
16 an executable, this file does not by itself cause the resulting executable to be covered
17 by the GNU General Public License. This exception does not however invalidate any other
18 reasons why the executable file might be covered by the GNU General Public License.
21 #ifndef __TBB_range_iterator_H
22 #define __TBB_range_iterator_H
24 #include "../tbb_stddef.h"
26 #if __TBB_CPP11_STD_BEGIN_END_PRESENT && __TBB_CPP11_AUTO_PRESENT && __TBB_CPP11_DECLTYPE_PRESENT
31 // iterators to first and last elements of container
34 #if __TBB_CPP11_STD_BEGIN_END_PRESENT && __TBB_CPP11_AUTO_PRESENT && __TBB_CPP11_DECLTYPE_PRESENT
37 template<typename Container>
38 auto first(Container& c)-> decltype(begin(c)) {return begin(c);}
40 template<typename Container>
41 auto first(const Container& c)-> decltype(begin(c)) {return begin(c);}
43 template<typename Container>
44 auto last(Container& c)-> decltype(begin(c)) {return end(c);}
46 template<typename Container>
47 auto last(const Container& c)-> decltype(begin(c)) {return end(c);}
49 template<typename Container>
50 typename Container::iterator first(Container& c) {return c.begin();}
52 template<typename Container>
53 typename Container::const_iterator first(const Container& c) {return c.begin();}
55 template<typename Container>
56 typename Container::iterator last(Container& c) {return c.end();}
58 template<typename Container>
59 typename Container::const_iterator last(const Container& c) {return c.end();}
62 template<typename T, size_t size>
63 T* first(T (&arr) [size]) {return arr;}
65 template<typename T, size_t size>
66 T* last(T (&arr) [size]) {return arr + size;}
67 } //namespace internal
70 #endif // __TBB_range_iterator_H