🐛 fixed README example

The example with the size() operator is bad: using operator[] already
changes the size of the object. The fix makes it clearer.
parent e2f6cf7f
#include <json.hpp>
#include <iomanip> // for std::setw
using json = nlohmann::json;
......@@ -29,7 +30,8 @@ int main()
j["new"]["key"]["value"] = {"another", "list"};
// count elements
j["size"] = j.size();
auto s = j.size();
j["size"] = s;
// pretty print with indent of 4 spaces
std::cout << std::setw(4) << j << '\n';
......
{
"answer": {
"everything": 42
},
"happy": true,
"list": [
1,
0,
2
],
"name": "Niels",
"new": {
"key": {
"value": [
"another",
"list"
]
}
},
"nothing": null,
"object": {
"currency": "USD",
"value": 42.99
},
"pi": 3.141,
"size": 9
}
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