Implement InPlaceVisitor

1 files changed, 28 insertions, 0 deletions

diff --git a/src/utils/cpp/in_place_visitor.hpp b/src/utils/cpp/in_place_visitor.hpp
new file mode 100644
index 00000000..393858fc
--- /dev/null
+++ b/src/utils/cpp/in_place_visitor.hpp
@@ -0,0 +1,28 @@
+// Copyright 2025 Huawei Cloud Computing Technology Co., Ltd.
+//
+// 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 INCLUDED_SRC_UTILS_CPP_IN_PLACE_VISITOR_HPP
+#define INCLUDED_SRC_UTILS_CPP_IN_PLACE_VISITOR_HPP
+
+#include <utility>
+
+template <typename... TInvocable>
+struct InPlaceVisitor final : TInvocable... {
+    explicit constexpr InPlaceVisitor(TInvocable&&... f)
+        : TInvocable{std::forward<TInvocable>(f)}... {}
+
+    using TInvocable::operator()...;
+};
+
+#endif  // INCLUDED_SRC_UTILS_CPP_IN_PLACE_VISITOR_HPP