ceph/src/jaegertracing/opentelemetry-cpp/third_party/nlohmann-json/doc/examples/clear.cpp

   1 #include <iostream>
   2 #include <nlohmann/json.hpp>
   3
   4 using json = nlohmann::json;
   5
   6 int main()
   7 {
   8     // create JSON values
   9     json j_null;
  10     json j_boolean = true;
  11     json j_number_integer = 17;
  12     json j_number_float = 23.42;
  13     json j_object = {{"one", 1}, {"two", 2}};
  14     json j_array = {1, 2, 4, 8, 16};
  15     json j_string = "Hello, world";
  16
  17     // call clear()
  18     j_null.clear();
  19     j_boolean.clear();
  20     j_number_integer.clear();
  21     j_number_float.clear();
  22     j_object.clear();
  23     j_array.clear();
  24     j_string.clear();
  25
  26     // serialize the cleared values()
  27     std::cout << j_null << '\n';
  28     std::cout << j_boolean << '\n';
  29     std::cout << j_number_integer << '\n';
  30     std::cout << j_number_float << '\n';
  31     std::cout << j_object << '\n';
  32     std::cout << j_array << '\n';
  33     std::cout << j_string << '\n';
  34 }