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- // Copyright Louis Dionne 2013-2017
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
- #include <boost/hana/eval.hpp>
- #include <boost/hana/functional/placeholder.hpp>
- #include <boost/hana/lazy.hpp>
- #include <boost/hana/transform.hpp>
- namespace hana = boost::hana;
- using hana::_;
- int main() {
- static_assert(hana::eval(hana::transform(hana::make_lazy(4 / _)(1), _ * 3)) == (4 / 1) * 3, "");
- hana::transform(hana::make_lazy(4 / _)(0), _ * 3); // never evaluated
- }
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