bgirgis/cpp-thirdparty
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

updated boost on windows

Browse Source
This commit is contained in:
Bassem Girgis
2019-08-13 21:48:48 -05:00
parent 7d77d485fd
commit b40a3bee82
5162 changed files with 473027 additions and 116452 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
winx64/include/boost/hana/ext/std/array.hpp
View File

@@ -149,13 +149,21 @@ BOOST_HANA_NAMESPACE_BEGIN
//////////////////////////////////////////////////////////////////////////
template <>
struct less_impl<ext::std::array_tag, ext::std::array_tag> {
template <typename T, typename U>
static constexpr auto apply(std::array<T, 0> const&, std::array<U, 0> const&)
{ return hana::false_c; }
template <typename T, std::size_t n, typename U, std::size_t m>
static constexpr auto apply(std::array<T, n> const& xs, std::array<U, m> const& ys) {
return detail::lexicographical_compare(&xs[0], &xs[0] + n, &ys[0], &ys[0] + m);
// This logic is more complex than it needs to be because we can't
// use `.begin()` and `.end()`, which are not constexpr in C++14,
// and because `&arr[0]` is UB when the array is empty.
if (xs.empty()) {
return !ys.empty();
} else {
if (ys.empty()) {
return false;
} else {
return detail::lexicographical_compare(&xs[0], &xs[0] + n,
&ys[0], &ys[0] + m);
}
}
}
};
BOOST_HANA_NAMESPACE_END