json/doc/examples/get_binary.cpp
Niels Lohmann 29cd970b94
Consolidate documentation (#3071)
* 🔥 consolidate documentation
* ♻️ overwork std specializations
* 🚚 move images files to mkdocs
* ♻️ fix URLs
* 🔧 tweak MkDocs configuration
* 🔧 add namespaces
* 📝 document deprecations
* 📝 document documentation generation
* 🚸 improve search
* 🚸 add examples
* 🚧 start adding documentation for macros
* 📝 add note for https://github.com/nlohmann/json/issues/874#issuecomment-1001699139
* 📝 overwork example handling
* 📝 fix Markdown tables
2021-12-29 13:41:01 +01:00

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C++

#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
// create a binary vector
std::vector<std::uint8_t> vec = {0xCA, 0xFE, 0xBA, 0xBE};
// create a binary JSON value with subtype 42
json j = json::binary(vec, 42);
// output type and subtype
std::cout << "type: " << j.type_name() << ", subtype: " << j.get_binary().subtype() << std::endl;
}