Edit: /usr/include/boost/hana/min.hpp (1759B)
/*!
@file
Defines `boost::hana::min`.
@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)
*/
#ifndef BOOST_HANA_MIN_HPP
#define BOOST_HANA_MIN_HPP
#include
#include
#include
#include
#include
#include
BOOST_HANA_NAMESPACE_BEGIN
//! @cond
template
constexpr decltype(auto) min_t::operator()(X&& x, Y&& y) const {
using T = typename hana::tag_of::type;
using U = typename hana::tag_of::type;
using Min = BOOST_HANA_DISPATCH_IF(decltype(min_impl{}),
hana::Orderable::value &&
hana::Orderable::value
);
#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
static_assert(hana::Orderable::value,
"hana::min(x, y) requires 'x' to be Orderable");
static_assert(hana::Orderable::value,
"hana::min(x, y) requires 'y' to be Orderable");
#endif
return Min::apply(static_cast(x), static_cast(y));
}
//! @endcond
template
struct min_impl> : default_ {
template
static constexpr decltype(auto) apply(X&& x, Y&& y) {
decltype(auto) cond = hana::less(x, y);
return hana::if_(static_cast(cond),
static_cast(x),
static_cast(y)
);
}
};
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_MIN_HPP