57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
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#ifndef BOOST_METAPARSE_V1_CPP98_IMPL_POP_FRONT_HPP
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#define BOOST_METAPARSE_V1_CPP98_IMPL_POP_FRONT_HPP
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/metaparse/v1/cpp98/fwd/string.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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namespace boost
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{
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namespace metaparse
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{
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namespace v1
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{
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namespace impl
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{
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template <class S>
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struct pop_front;
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#ifdef BOOST_METAPARSE_POP_FRONT
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# error BOOST_METAPARSE_POP_FRONT already defined
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#endif
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#define BOOST_METAPARSE_POP_FRONT(z, n, unused) \
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BOOST_PP_COMMA_IF(BOOST_PP_DEC(n)) BOOST_PP_CAT(C, n)
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template < \
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BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C) \
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>
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struct
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pop_front<
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string<BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C)>
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> :
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string<
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BOOST_PP_REPEAT_FROM_TO(
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1,
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BOOST_METAPARSE_LIMIT_STRING_SIZE,
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BOOST_METAPARSE_POP_FRONT,
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~
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),
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BOOST_NO_CHAR
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>
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{};
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#undef BOOST_METAPARSE_POP_FRONT
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}
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}
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}
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}
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#endif
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