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nlohmannjson/docs/examples/patch.cpp
Florian Albrechtskirchinger 9aafcbe965
Move UDLs out of the global namespace (#3605)
* Move UDLs into nlohmann::literals::json_literals namespace

* Add 'using namespace' to unit tests

* Add 'using namespace' to examples

* Add 'using namespace' to README

* Move UDL mkdocs pages out of basic_json/

* Update documentation

* Update docset index

* Add JSON_GlobalUDLs CMake option

* Add unit test

* Build examples without global UDLs

* Add CI target
2022-07-31 17:38:52 +02:00

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C++

#include <iostream>
#include <iomanip>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
using namespace nlohmann::literals;
int main()
{
// the original document
json doc = R"(
{
"baz": "qux",
"foo": "bar"
}
)"_json;
// the patch
json patch = R"(
[
{ "op": "replace", "path": "/baz", "value": "boo" },
{ "op": "add", "path": "/hello", "value": ["world"] },
{ "op": "remove", "path": "/foo"}
]
)"_json;
// apply the patch
json patched_doc = doc.patch(patch);
// output original and patched document
std::cout << std::setw(4) << doc << "\n\n"
<< std::setw(4) << patched_doc << std::endl;
}