[ceph.git] / ceph / src / boost / libs / hana / example / core / convert / is_embedded.cpp

// 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/core/to.hpp>
namespace hana = boost::hana;


static_assert(hana::is_embedded<int, long>{}, "");

// int -> unsigned long could cause negative values to be lost
static_assert(!hana::is_embedded<int, unsigned int long>{}, "");

// similarly, float can't represent all the values of int
static_assert(!hana::is_embedded<int, float>{}, "");

// OK, the conversion is lossless
static_assert(hana::is_embedded<float, double>{}, "");

int main() { }
Commit	Line	Data
b32b8144	1	// Copyright Louis Dionne 2013-2017
7c673cae FG	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/core/to.hpp>
	6	namespace hana = boost::hana;
	7
	8
	9	static_assert(hana::is_embedded<int, long>{}, "");
	10
	11	// int -> unsigned long could cause negative values to be lost
	12	static_assert(!hana::is_embedded<int, unsigned int long>{}, "");
	13
	14	// similarly, float can't represent all the values of int
	15	static_assert(!hana::is_embedded<int, float>{}, "");
	16
	17	// OK, the conversion is lossless
	18	static_assert(hana::is_embedded<float, double>{}, "");
	19
	20	int main() { }