json/doc/examples/swap__binary_t.cpp

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#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
// create a binary value
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json value = json::binary({1, 2, 3});
// create a binary_t
json::binary_t binary = {{4, 5, 6}};
// swap the object stored in the JSON value
value.swap(binary);
// output the values
std::cout << "value = " << value << '\n';
std::cout << "binary = " << json(binary) << '\n';
}