X-Git-Url: https://git.mdrn.pl/wl-app.git/blobdiff_plain/53b27422d140022594fc241cca91c3183be57bca..48b2fe9f7c2dc3d9aeaaa6dbfb27c7da4f3235ff:/iOS/Pods/Realm/include/core/realm/util/call_with_tuple.hpp

diff --git a/iOS/Pods/Realm/include/core/realm/util/call_with_tuple.hpp b/iOS/Pods/Realm/include/core/realm/util/call_with_tuple.hpp
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+/*************************************************************************
+ *
+ * Copyright 2016 Realm Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+#ifndef REALM_UTIL_CALL_WITH_TUPLE_HPP
+#define REALM_UTIL_CALL_WITH_TUPLE_HPP
+
+#include <cstddef>
+#include <tuple>
+
+namespace realm {
+namespace _impl {
+
+/// \cond doxygen_skip
+/// Doxygen warns about a recursive class relation, but this is intentional.
+
+template <size_t...>
+struct Indexes {
+};
+template <size_t N, size_t... I>
+struct GenIndexes : GenIndexes<N - 1, N - 1, I...> {
+};
+template <size_t... I>
+struct GenIndexes<0, I...> {
+    typedef Indexes<I...> type;
+};
+
+/// \endcond
+
+template <class F, class... A, size_t... I>
+auto call_with_tuple(F func, std::tuple<A...> args, Indexes<I...>) -> decltype(func(std::get<I>(args)...))
+{
+    static_cast<void>(args); // Prevent GCC warning when tuple is empty
+    return func(std::get<I>(args)...);
+}
+
+} // namespace _impl
+
+namespace util {
+
+template <class F, class... A>
+auto call_with_tuple(F func, std::tuple<A...> args)
+    -> decltype(_impl::call_with_tuple(std::move(func), std::move(args),
+                                       typename _impl::GenIndexes<sizeof...(A)>::type()))
+{
+    return _impl::call_with_tuple(std::move(func), std::move(args), typename _impl::GenIndexes<sizeof...(A)>::type());
+}
+
+} // namespace util
+} // namespace realm
+
+#endif // REALM_UTIL_CALL_WITH_TUPLE_HPP