diff options
Diffstat (limited to 'src/boost/libs/hana/example/ext/std/array/foldable.cpp')
-rw-r--r-- | src/boost/libs/hana/example/ext/std/array/foldable.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/ext/std/array/foldable.cpp b/src/boost/libs/hana/example/ext/std/array/foldable.cpp new file mode 100644 index 000000000..cff38e1c1 --- /dev/null +++ b/src/boost/libs/hana/example/ext/std/array/foldable.cpp @@ -0,0 +1,21 @@ +// 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/assert.hpp> +#include <boost/hana/ext/std/array.hpp> +#include <boost/hana/unpack.hpp> + +#include <array> +namespace hana = boost::hana; + + +int main() { + std::array<int, 5> a = {{0, 1, 2, 3, 4}}; + + auto b = hana::unpack(a, [](auto ...i) { + return std::array<int, sizeof...(i)>{{(i + 10)...}}; + }); + + BOOST_HANA_RUNTIME_CHECK(b == std::array<int, 5>{{10, 11, 12, 13, 14}}); +} |