1// Copyright (c) 2001-2011 Hartmut Kaiser
2//
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#if !defined(BOOST_SPIRIT_KARMA_DELIMIT_FEB_20_2007_1208PM)
7#define BOOST_SPIRIT_KARMA_DELIMIT_FEB_20_2007_1208PM
8
9#if defined(_MSC_VER)
10#pragma once
11#endif
12
13#include <boost/spirit/home/support/unused.hpp>
14#include <boost/spirit/home/karma/detail/unused_delimiter.hpp>
15
16namespace boost { namespace spirit { namespace karma
17{
18 ///////////////////////////////////////////////////////////////////////////
19 // Do delimiting. This is equivalent to p << d. The function is a
20 // no-op if spirit::unused is passed as the delimiter-generator.
21 ///////////////////////////////////////////////////////////////////////////
22 template <typename OutputIterator, typename Delimiter>
23 inline bool delimit_out(OutputIterator& sink, Delimiter const& d)
24 {
25 return d.generate(sink, unused, unused, unused);
26 }
27
28 template <typename OutputIterator>
29 inline bool delimit_out(OutputIterator&, unused_type)
30 {
31 return true;
32 }
33
34 ///////////////////////////////////////////////////////////////////////////
35 template <typename OutputIterator, typename Delimiter>
36 inline bool delimit_out(OutputIterator&
37 , detail::unused_delimiter<Delimiter> const&)
38 {
39 return true;
40 }
41
42}}}
43
44#endif
45
46

source code of boost/libs/spirit/include/boost/spirit/home/karma/delimit_out.hpp