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 +1,78 @@
+/*!
+@file
+Defines `boost::hana::ap`.
+
+@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_AP_HPP
+#define BOOST_HANA_AP_HPP
+
+#include <boost/hana/fwd/ap.hpp>
+
+#include <boost/hana/chain.hpp>
+#include <boost/hana/concept/applicative.hpp>
+#include <boost/hana/concept/sequence.hpp>
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/dispatch.hpp>
+#include <boost/hana/detail/variadic/foldl1.hpp>
+#include <boost/hana/functional/curry.hpp>
+#include <boost/hana/functional/partial.hpp>
+#include <boost/hana/transform.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    template <typename A, bool condition>
+    struct ap_impl<A, when<condition>> : default_ {
+        template <typename ...Args>
+        static constexpr auto apply(Args&& ...args) = delete;
+    };
+
+    //! @cond
+    template <typename F, typename X>
+    constexpr decltype(auto) ap_t::operator()(F&& f, X&& x) const {
+        using Function = typename hana::tag_of<F>::type;
+        using Value = typename hana::tag_of<X>::type;
+        using Ap = BOOST_HANA_DISPATCH_IF(ap_impl<Function>,
+            hana::Applicative<Function>::value && hana::Applicative<Value>::value
+        );
+
+    #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
+        static_assert(hana::Applicative<Function>::value,
+        "hana::ap(f, x) requires 'f' to be an Applicative");
+
+        static_assert(hana::Applicative<Value>::value,
+        "hana::ap(f, x) requires 'x' to be an Applicative");
+    #endif
+
+        return Ap::apply(static_cast<F&&>(f), static_cast<X&&>(x));
+    }
+
+    template <typename F, typename ...Xs>
+    constexpr decltype(auto) ap_t::operator()(F&& f, Xs&& ...xs) const {
+        static_assert(sizeof...(xs) >= 1,
+        "hana::ap must be called with at least two arguments");
+
+        return detail::variadic::foldl1(
+            *this,
+            hana::transform(static_cast<F&&>(f), hana::curry<sizeof...(xs)>),
+            static_cast<Xs&&>(xs)...
+        );
+    }
+    //! @endcond
+
+    template <typename S>
+    struct ap_impl<S, when<Sequence<S>::value>> {
+        template <typename F, typename X>
+        static constexpr decltype(auto) apply(F&& f, X&& x) {
+            return hana::chain(
+                static_cast<F&&>(f),
+                hana::partial(hana::transform, static_cast<X&&>(x))
+            );
+        }
+    };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_AP_HPP