ceph/src/boost/libs/hana/example/range/foldable.cpp

   1 // Copyright Louis Dionne 2013-2017
   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/assert.hpp>
   6 #include <boost/hana/equal.hpp>
   7 #include <boost/hana/fold_left.hpp>
   8 #include <boost/hana/integral_constant.hpp>
   9 #include <boost/hana/plus.hpp>
  10 #include <boost/hana/range.hpp>
  11 #include <boost/hana/tuple.hpp>
  12 #include <boost/hana/unpack.hpp>
  13 namespace hana = boost::hana;
  14
  15
  16 BOOST_HANA_CONSTANT_CHECK(
  17     hana::fold_left(hana::make_range(hana::int_c<0>, hana::int_c<4>), hana::int_c<0>, hana::plus) == hana::int_c<6>
  18 );
  19
  20 BOOST_HANA_CONSTANT_CHECK(
  21     hana::unpack(hana::make_range(hana::int_c<-2>, hana::int_c<2>), hana::make_tuple) ==
  22     hana::make_tuple(hana::int_c<-2>, hana::int_c<-1>, hana::int_c<0>, hana::int_c<1>)
  23 );
  24
  25 int main() { }