feat(base):1.13.7, 添加了LifetimeTag的example示例

Author: hevake

examples/base/lifetime_tag/Makefile

@@ -0,0 +1,29 @@
+#
+#     .============.
+#    //  M A K E  / \
+#   //  C++ DEV  /   \
+#  //  E A S Y  /  \/ \
+# ++ ----------.  \/\  .
+#  \\     \     \ /\  /
+#   \\     \     \   /
+#    \\     \     \ /
+#     -============'
+#
+# Copyright (c) 2018 Hevake and contributors, all rights reserved.
+#
+# This file is part of cpp-tbox (https://github.com/cpp-main/cpp-tbox)
+# Use of this source code is governed by MIT license that can be found
+# in the LICENSE file in the root of the source tree. All contributing
+# project authors may be found in the CONTRIBUTORS.md file in the root
+# of the source tree.
+#
+
+PROJECT := examples/base/lifetime_tag
+EXE_NAME := ${PROJECT}
+
+CPP_SRC_FILES := main.cpp
+
+CXXFLAGS := -DMODULE_ID='"$(EXE_NAME)"' $(CXXFLAGS)
+LDFLAGS += -ltbox_base -ldl
+
+include $(TOP_DIR)/mk/exe_common.mk

examples/base/lifetime_tag/main.cpp

@@ -0,0 +1,47 @@
+/*
+ *     .============.
+ *    //  M A K E  / \
+ *   //  C++ DEV  /   \
+ *  //  E A S Y  /  \/ \
+ * ++ ----------.  \/\  .
+ *  \\     \     \ /\  /
+ *   \\     \     \   /
+ *    \\     \     \ /
+ *     -============'
+ *
+ * Copyright (c) 2026 Hevake and contributors, all rights reserved.
+ *
+ * This file is part of cpp-tbox (https://github.com/cpp-main/cpp-tbox)
+ * Use of this source code is governed by MIT license that can be found
+ * in the LICENSE file in the root of the source tree. All contributing
+ * project authors may be found in the CONTRIBUTORS.md file in the root
+ * of the source tree.
+ */
+#include <tbox/base/lifetime_tag.hpp>
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    struct Tmp {
+        int value;
+        tbox::LifetimeTag lifetime_tag;
+    };
+
+    auto tmp = new Tmp{10};
+    auto watch = tmp->lifetime_tag.get();
+    auto print_func = [tmp, watch] (const char *prompt) {
+        if (watch)
+            cout << '[' << prompt << "] it's alive, value " << tmp->value << endl;
+        else
+            cout << '[' << prompt << "] it's not alive" << endl;
+    };
+
+    print_func("A");    //! it's alive, value 10
+    delete tmp;
+
+    print_func("B");    //! it's not alive
+
+    return 0;
+}

modules/base/lifetime_tag.hpp

@@ -20,6 +20,8 @@
 #ifndef TBOX_LIFETIME_TAG_H_20221215
 #define TBOX_LIFETIME_TAG_H_20221215
 
+#include <utility>
+
 namespace tbox {
 
 /**

version.mk

@@ -21,4 +21,4 @@
 # TBOX版本号
 TBOX_VERSION_MAJOR := 1
 TBOX_VERSION_MINOR := 13
-TBOX_VERSION_REVISION := 6
+TBOX_VERSION_REVISION := 7