0258484626
- updated documentation wrt. new repository layout - temporarily switched off Homebrew --HEAD building (can only be switched on after release) - set copyright date to 2018
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
#include <iostream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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int main()
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{
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// create JSON values
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json j_null;
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json j_boolean = true;
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json j_number_integer = -17;
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json j_number_unsigned = 42u;
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json j_number_float = 23.42;
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json j_object = {{"one", 1}, {"two", 2}};
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json j_array = {1, 2, 4, 8, 16};
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json j_string = "Hello, world";
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// call operator value_t()
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json::value_t t_null = j_null;
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json::value_t t_boolean = j_boolean;
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json::value_t t_number_integer = j_number_integer;
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json::value_t t_number_unsigned = j_number_unsigned;
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json::value_t t_number_float = j_number_float;
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json::value_t t_object = j_object;
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json::value_t t_array = j_array;
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json::value_t t_string = j_string;
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// print types
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std::cout << std::boolalpha;
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std::cout << (t_null == json::value_t::null) << '\n';
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std::cout << (t_boolean == json::value_t::boolean) << '\n';
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std::cout << (t_number_integer == json::value_t::number_integer) << '\n';
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std::cout << (t_number_unsigned == json::value_t::number_unsigned) << '\n';
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std::cout << (t_number_float == json::value_t::number_float) << '\n';
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std::cout << (t_object == json::value_t::object) << '\n';
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std::cout << (t_array == json::value_t::array) << '\n';
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std::cout << (t_string == json::value_t::string) << '\n';
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}
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