1/*=============================================================================
2 Copyright (c) 2001-2014 Joel de Guzman
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6=============================================================================*/
7#if !defined(BOOST_SPIRIT_X3_AND_PREDICATE_MARCH_23_2007_0617PM)
8#define BOOST_SPIRIT_X3_AND_PREDICATE_MARCH_23_2007_0617PM
9
10#include <boost/spirit/home/x3/core/parser.hpp>
11
12namespace boost { namespace spirit { namespace x3
13{
14 template <typename Subject>
15 struct and_predicate : unary_parser<Subject, and_predicate<Subject>>
16 {
17 typedef unary_parser<Subject, and_predicate<Subject>> base_type;
18
19 typedef unused_type attribute_type;
20 static bool const has_attribute = false;
21
22 constexpr and_predicate(Subject const& subject)
23 : base_type(subject) {}
24
25 template <typename Iterator, typename Context
26 , typename RContext, typename Attribute>
27 bool parse(Iterator& first, Iterator const& last
28 , Context const& context, RContext& rcontext, Attribute& /*attr*/) const
29 {
30 Iterator i = first;
31 return this->subject.parse(i, last, context, rcontext, unused);
32 }
33 };
34
35 template <typename Subject>
36 constexpr and_predicate<typename extension::as_parser<Subject>::value_type>
37 operator&(Subject const& subject)
38 {
39 return { as_parser(subject) };
40 }
41}}}
42
43#endif
44

source code of boost/libs/spirit/include/boost/spirit/home/x3/operator/and_predicate.hpp