Function search_for_and_replace_a_value

examples/src/jsonpath_examples.cpp:676–712

}

void search_for_and_replace_a_value()
{
    std::string data = R"(
      { "books": [ 
          { "author": "Nigel Rees",
            "title": "Sayings of the Century",
            "isbn": "0048080489",
            "price": 8.95
          },
          { "author": "Evelyn Waugh",
            "title": "Sword of Honour",
            "isbn": "0141193557",
            "price": 12.99
          },
          { "author": "Herman Melville",
            "title": "Moby Dick",
            "isbn": "0553213113",
            "price": 8.99
          }
        ]
      }
    )";

    auto j = jsoncons::json::parse(data);

    // Change the price of "Moby Dick" from $8.99 to $10
    jsonpath::json_replace(j,"$.books[?(@.isbn == '0553213113')].price",10.0);

    // Increase the price of "Sayings of the Century" by $1
    auto f = [](const std::string& /*location*/, jsoncons::json& value) 
    {
        value = value.as<double>() + 1.0;
    };
    jsonpath::json_replace(j, "$.books[?(@.isbn == '0048080489')].price", f); // (since 0.161.0)

    std::cout << pretty_print(j) << '\n';
}

void union_example() 
{