ceph/src/boost/libs/hana/test/experimental/view/transformed/laziness.cpp

   1 // Copyright Louis Dionne 2013-2016
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/experimental/view.hpp>
   6
   7 #include <laws/base.hpp>
   8 #include <support/seq.hpp>
   9 namespace hana = boost::hana;
  10 using hana::test::ct_eq;
  11
  12
  13 struct undefined { };
  14
  15 int main() {
  16     // Make sure we do not evaluate the function unless required
  17     auto storage = ::seq(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{});
  18     auto transformed = hana::experimental::transformed(storage, undefined{});
  19     (void)transformed;
  20 }