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hana/example/list/group_by.cpp
2014-08-06 11:08:10 -04:00

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643 B
C++

/*
@copyright Louis Dionne 2014
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/detail/assert.hpp>
#include <boost/hana/functional.hpp>
#include <boost/hana/list/instance.hpp>
#include <boost/hana/type.hpp>
using namespace boost::hana;
int main() {
//! [main]
BOOST_HANA_CONSTEXPR_ASSERT(
group_by(equal ^on^ decltype_,
list(1, 2, 3, 'x', 'y', 4.4, 5.5)
)
== list(
list(1, 2, 3),
list('x', 'y'),
list(4.4, 5.5)
)
);
//! [main]
}