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18 lines
566 B
C++
18 lines
566 B
C++
// Copyright Louis Dionne 2013-2022
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/eval.hpp>
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#include <boost/hana/functional/placeholder.hpp>
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#include <boost/hana/lazy.hpp>
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#include <boost/hana/transform.hpp>
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namespace hana = boost::hana;
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using hana::_;
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int main() {
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static_assert(hana::eval(hana::transform(hana::make_lazy(4 / _)(1), _ * 3)) == (4 / 1) * 3, "");
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hana::transform(hana::make_lazy(4 / _)(0), _ * 3); // never evaluated
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}
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