40 lines
899 B
C++
40 lines
899 B
C++
/* tests using constexpr on boost:array
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* (C) Copyright Marshall Clow 2012
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* Distributed under the Boost Software License, Version 1.0. (See
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* 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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*/
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#include <string>
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#include <iostream>
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#include <boost/array.hpp>
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#include <algorithm>
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#ifndef BOOST_NO_CXX11_HDR_ARRAY
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#include <array>
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#endif
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#ifndef BOOST_NO_CXX11_CONSTEXPR
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constexpr boost::array<int, 10> arr {{ 0,1,2,3,4,5,6,7,8,9 }};
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constexpr std::array<int, 10> arr_std {{ 0,1,2,3,4,5,6,7,8,9 }};
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template <typename T>
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void sink ( T t ) {}
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template <typename T, size_t N>
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void sink ( boost::array<T,N> &arr ) {}
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int main()
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{
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// constexpr int two = arr_std.at (2);
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constexpr int three = arr.at (3);
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int whatever [ arr.at(4) ];
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(void)three;
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(void) whatever;
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}
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#else // no constexpr means no constexpr tests!
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int main()
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{
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}
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#endif
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