deploy: 63c10a51fc

examples/patch__exception.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+#include <iomanip>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+using namespace nlohmann::literals;
+
+int main()
+{
+    // the original document
+    json doc = R"(
+        {
+          "a": { "b": 1 }
+        }
+    )"_json;
+
+    // a patch that tries to move "/a" into one of its own children
+    json patch = R"(
+        [
+          { "op": "move", "from": "/a", "path": "/a/b" }
+        ]
+    )"_json;
+
+    // exception out_of_range.414
+    try
+    {
+        json patched_doc = doc.patch(patch);
+    }
+    catch (const json::out_of_range& e)
+    {
+        std::cout << e.what() << '\n';
+    }
+
+    // the original document is unchanged
+    std::cout << std::setw(4) << doc << std::endl;
+}