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
28 lines
1 KiB
C++
28 lines
1 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 type()
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std::cout << std::boolalpha;
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std::cout << (j_null.type() == json::value_t::null) << '\n';
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std::cout << (j_boolean.type() == json::value_t::boolean) << '\n';
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std::cout << (j_number_integer.type() == json::value_t::number_integer) << '\n';
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std::cout << (j_number_unsigned.type() == json::value_t::number_unsigned) << '\n';
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std::cout << (j_number_float.type() == json::value_t::number_float) << '\n';
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std::cout << (j_object.type() == json::value_t::object) << '\n';
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std::cout << (j_array.type() == json::value_t::array) << '\n';
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std::cout << (j_string.type() == json::value_t::string) << '\n';
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}
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