Sprout/sprout/operation/fit/pop_front.hpp

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/*=============================================================================
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Copyright (c) 2011-2015 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
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#ifndef SPROUT_OPERATION_FIT_POP_FRONT_HPP
#define SPROUT_OPERATION_FIT_POP_FRONT_HPP
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
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#include <sprout/operation/fixed/pop_front.hpp>
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#include <sprout/sub_array/sub_array.hpp>
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#include <sprout/sub_array/sub.hpp>
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namespace sprout {
namespace fit {
namespace results {
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//
// pop_front
//
template<typename Container>
struct pop_front {
public:
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typedef sprout::sub_array<
typename sprout::container_traits<
typename sprout::fixed::results::pop_front<Container>::type
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>::internal_type
> type;
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};
} // namespace results
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//
// pop_front
//
template<typename Container>
inline SPROUT_CONSTEXPR typename sprout::fit::results::pop_front<Container>::type
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pop_front(Container const& cont) {
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return sprout::sub_copy(
sprout::get_internal(sprout::fixed::pop_front(cont)),
sprout::internal_begin_offset(cont),
sprout::internal_end_offset(cont) - 1
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);
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_OPERATION_FIT_POP_FRONT_HPP