[Global]: loading init

deps/json/docs/examples/json_pointer__push_back.cpp

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+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+int main()
+{
+    // create empty JSON Pointer
+    json::json_pointer ptr;
+    std::cout << "\"" << ptr << "\"\n";
+
+    // call push_back()
+    ptr.push_back("foo");
+    std::cout << "\"" << ptr << "\"\n";
+
+    ptr.push_back("0");
+    std::cout << "\"" << ptr << "\"\n";
+
+    ptr.push_back("bar");
+    std::cout << "\"" << ptr << "\"\n";
+}