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 +1,32 @@
+/*!
+@file
+Forward declares `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_FWD_ERASE_KEY_HPP
+#define BOOST_HANA_FWD_ERASE_KEY_HPP
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/when.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    // Note: This function is documented per datatype/concept only.
+    //! @cond
+    template <typename T, typename = void>
+    struct erase_key_impl : erase_key_impl<T, when<true>> { };
+    //! @endcond
+
+    struct erase_key_t {
+        template <typename Set, typename ...Args>
+        constexpr decltype(auto) operator()(Set&& set, Args&& ...args) const;
+    };
+
+    constexpr erase_key_t erase_key{};
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_FWD_ERASE_KEY_HPP