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is_embedded.cpp
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// Copyright Louis Dionne 2013-2022
// 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>
#include <boost/hana/equal.hpp>
#include <climits>
namespace hana = boost::hana;
// This test makes sure that fundamental types are properly embedded in
// each other, when sensible.
static_assert(hana::is_embedded<double, long double>{}, "");
static_assert(hana::is_embedded<float, long double>{}, "");
static_assert(hana::is_embedded<float, double>{}, "");
static_assert(hana::is_embedded<signed long, signed long long>{}, "");
static_assert(hana::is_embedded<signed int, signed long long>{}, "");
static_assert(hana::is_embedded<signed short, signed long long>{}, "");
static_assert(hana::is_embedded<signed char, signed long long>{}, "");
static_assert(hana::is_embedded<signed int, signed long>{}, "");
static_assert(hana::is_embedded<signed short, signed long>{}, "");
static_assert(hana::is_embedded<signed char, signed long>{}, "");
static_assert(hana::is_embedded<signed short, signed int>{}, "");
static_assert(hana::is_embedded<signed char, signed int>{}, "");
static_assert(hana::is_embedded<signed char, signed short>{}, "");
static_assert(hana::is_embedded<unsigned long, unsigned long long>{}, "");
static_assert(hana::is_embedded<unsigned int, unsigned long long>{}, "");
static_assert(hana::is_embedded<unsigned short, unsigned long long>{}, "");
static_assert(hana::is_embedded<unsigned char, unsigned long long>{}, "");
static_assert(hana::is_embedded<unsigned int, unsigned long>{}, "");
static_assert(hana::is_embedded<unsigned short, unsigned long>{}, "");
static_assert(hana::is_embedded<unsigned char, unsigned long>{}, "");
static_assert(hana::is_embedded<unsigned short, unsigned int>{}, "");
static_assert(hana::is_embedded<unsigned char, unsigned int>{}, "");
static_assert(hana::is_embedded<unsigned char, unsigned short>{}, "");
#if CHAR_MIN < 0 // char is signed
static_assert(hana::is_embedded<char, signed long long>{}, "");
static_assert(hana::is_embedded<char, signed long>{}, "");
static_assert(hana::is_embedded<char, signed int>{}, "");
static_assert(hana::is_embedded<char, signed short>{}, "");
static_assert(hana::equal('a', static_cast<signed int>('a')), "");
#else // char is unsigned
static_assert(hana::is_embedded<char, unsigned long long>{}, "");
static_assert(hana::is_embedded<char, unsigned long>{}, "");
static_assert(hana::is_embedded<char, unsigned int>{}, "");
static_assert(hana::is_embedded<char, unsigned short>{}, "");
static_assert(hana::equal('a', static_cast<unsigned int>('a')), "");
#endif
int main() { }