mirror of
https://github.com/boostorg/hana.git
synced 2026-02-02 21:02:15 +00:00
25 lines
731 B
C++
25 lines
731 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/detail/constexpr.hpp>
|
|
#include <boost/hana/ext/std/integral_constant.hpp>
|
|
#include <boost/hana/foreign.hpp>
|
|
#include <boost/hana/maybe.hpp>
|
|
#include <boost/hana/tuple.hpp>
|
|
#include <boost/hana/type.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
int main() {
|
|
{
|
|
//! [find]
|
|
BOOST_HANA_CONSTEXPR_ASSERT(find(tuple(1.0, 2, '3'), trait_<std::is_integral>) == just(2));
|
|
BOOST_HANA_CONSTANT_ASSERT(find(tuple(1.0, 2, '3'), trait_<std::is_class>) == nothing);
|
|
//! [find]
|
|
}
|
|
}
|