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add subscript_at function

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bolero-MURAKAMI 2016-04-17 19:36:56 +09:00
parent 8278a2642c
commit 0080332dd5
12 changed files with 341 additions and 54 deletions
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31
sprout/container/range_index_check.hpp Normal file
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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
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)
=============================================================================*/
#ifndef SPROUT_CONTAINER_RANGE_INDEX_CHECK_HPP
#define SPROUT_CONTAINER_RANGE_INDEX_CHECK_HPP
#include <stdexcept>
#include <sprout/config.hpp>
#include <sprout/container/range_functions_fwd.hpp>
#include <sprout/container/container_traits.hpp>
namespace sprout {
//
// range_index_check
//
template<typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::size_type
range_index_check(Container const& cont, typename sprout::container_traits<Container const>::size_type i) {
return i >= sprout::size(cont) ? throw std::out_of_range("range_index_check: index out of range")
: i
;
}
} // namespace sprout
#include <sprout/container/size.hpp>
#endif // #ifndef SPROUT_CONTAINER_RANGE_INDEX_CHECK_HPP