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 +1,75 @@
+/*!
+@file
+Defines `boost::hana::unique`.
+
+@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_UNIQUE_HPP
+#define BOOST_HANA_UNIQUE_HPP
+
+#include <boost/hana/fwd/unique.hpp>
+
+#include <boost/hana/concept/sequence.hpp>
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/dispatch.hpp>
+#include <boost/hana/detail/nested_by.hpp> // required by fwd decl
+#include <boost/hana/equal.hpp>
+#include <boost/hana/front.hpp>
+#include <boost/hana/group.hpp>
+#include <boost/hana/transform.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    //! @cond
+    template <typename Xs>
+    constexpr auto unique_t::operator()(Xs&& xs) const {
+        using S = typename hana::tag_of<Xs>::type;
+        using Unique = BOOST_HANA_DISPATCH_IF(unique_impl<S>,
+            hana::Sequence<S>::value
+        );
+
+    #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
+        static_assert(hana::Sequence<S>::value,
+        "hana::unique(xs) requires 'xs' to be a Sequence");
+    #endif
+
+        return Unique::apply(static_cast<Xs&&>(xs));
+    }
+
+    template <typename Xs, typename Predicate>
+    constexpr auto unique_t::operator()(Xs&& xs, Predicate&& predicate) const {
+        using S = typename hana::tag_of<Xs>::type;
+        using Unique = BOOST_HANA_DISPATCH_IF(unique_impl<S>,
+            hana::Sequence<S>::value
+        );
+
+    #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
+        static_assert(hana::Sequence<S>::value,
+        "hana::unique(xs, predicate) requires 'xs' to be a Sequence");
+    #endif
+
+        return Unique::apply(static_cast<Xs&&>(xs),
+                             static_cast<Predicate&&>(predicate));
+    }
+    //! @endcond
+
+    template <typename S, bool condition>
+    struct unique_impl<S, when<condition>> : default_ {
+        template <typename Xs, typename Pred>
+        static constexpr auto apply(Xs&& xs, Pred&& pred) {
+            return hana::transform(
+                hana::group(static_cast<Xs&&>(xs), static_cast<Pred&&>(pred)),
+                hana::front
+            );
+        }
+
+        template <typename Xs>
+        static constexpr auto apply(Xs&& xs)
+        { return unique_impl::apply(static_cast<Xs&&>(xs), hana::equal); }
+    };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_UNIQUE_HPP