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doc/examples/operator_deserialize.cpp

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+#include <json.hpp>
+
+using namespace nlohmann;
+
+int main()
+{
+    // create stream with serialized JSON
+    std::stringstream ss;
+    ss << R"({
+        "number": 23,
+        "string": "Hello, world!",
+        "array": [1, 2, 3, 4, 5],
+        "boolean": false,
+        "null": null
+    })";
+
+    // create JSON value and read the serialization from the stream
+    json j;
+    j << ss;
+
+    // serialize JSON
+    std::cout << std::setw(2) << j << '\n';
+}