WIP

src/common/types.h

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+/**
+ * src/class_diagram/visitor/translation_unit_visitor.h
+ *
+ * Copyright (c) 2021-2022 Bartek Kryza <bkryza@gmail.com>
+ *
+ * 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.
+ */
+#pragma once
+
+#include <cstdint>
+#include <optional>
+#include <unordered_set>
+#include <vector>
+
+namespace clanguml::common {
+
+using id_t = int64_t;
+
+template <typename T>
+using optional_ref = std::optional<std::reference_wrapper<const T>>;
+
+template <typename T>
+using reference_vector = std::vector<std::reference_wrapper<const T>>;
+
+template <typename T>
+using reference_set = std::unordered_set<std::reference_wrapper<const T>>;
+
+} // namespace clang::common