stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,37 @@
+/*!
+@file
+Defines `boost::hana::erase_key`.
+
+@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_ERASE_KEY_HPP
+#define BOOST_HANA_ERASE_KEY_HPP
+
+#include <boost/hana/fwd/erase_key.hpp>
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/dispatch.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    //! @cond
+    template <typename Set, typename ...Args>
+    constexpr decltype(auto) erase_key_t::operator()(Set&& set, Args&& ...args) const {
+        return erase_key_impl<typename hana::tag_of<Set>::type>::apply(
+            static_cast<Set&&>(set),
+            static_cast<Args&&>(args)...
+        );
+    }
+    //! @endcond
+
+    template <typename T, bool condition>
+    struct erase_key_impl<T, when<condition>> : default_ {
+        template <typename ...Args>
+        static constexpr auto apply(Args&& ...) = delete;
+    };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_ERASE_KEY_HPP