metaparse/doc/get_remaining.qbk
2015-07-19 09:53:35 +02:00

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[#get_remaining]
[section get_remaining]
[h1 Synopsis]
template <class D>
struct get_remaining;
This is a [link lazy_metafunction lazy template metafunction].
[table Arguments
[[Name] [Type]]
[[`D`] [[link accept accept] value]]
]
[h1 Description]
Returns the remaining string information of a parsing result.
[h1 Header]
#include <boost/metaparse/get_remaining.hpp>
[h1 Example]
#include <boost/metaparse/get_remaining.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/accept.hpp>
#include <boost/metaparse/string.hpp>
#include <type_traits>
using namespace boost::metaparse;
struct returns_accept
{
using type =
accept<
std::integral_constant<int, 13>,
BOOST_METAPARSE_STRING("foo"),
start
>;
};
static_assert(
std::is_same<
BOOST_METAPARSE_STRING("foo"),
get_remaining<
accept<
std::integral_constant<int, 13>,
BOOST_METAPARSE_STRING("foo"),
start
>
>::type
>::type::value,
"It should return the remaining input"
);
static_assert(
std::is_same<
BOOST_METAPARSE_STRING("foo"),
get_remaining<returns_accept>::type
>::type::value,
"It should support lazy evaluation"
);
[endsect]