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 +1,33 @@
+/*!
+@file
+Defines `boost::hana::Monad`.
+
+@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_CONCEPT_MONAD_HPP
+#define BOOST_HANA_CONCEPT_MONAD_HPP
+
+#include <boost/hana/fwd/concept/monad.hpp>
+
+#include <boost/hana/chain.hpp>
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/default.hpp>
+#include <boost/hana/core/tag_of.hpp>
+#include <boost/hana/detail/integral_constant.hpp>
+#include <boost/hana/flatten.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    template <typename M>
+    struct Monad
+        : hana::integral_constant<bool,
+            !is_default<flatten_impl<typename tag_of<M>::type>>::value ||
+            !is_default<chain_impl<typename tag_of<M>::type>>::value
+        >
+    { };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_CONCEPT_MONAD_HPP