33 lines
854 B
C++
33 lines
854 B
C++
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#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_array = {"alpha", "bravo", "charly", "delta", "easy"};
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json j_number = 42;
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json j_object = {{"one", "eins"}, {"two", "zwei"}};
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// create copies using iterators
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json j_array_range(j_array.begin() + 1, j_array.end() - 2);
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json j_number_range(j_number.begin(), j_number.end());
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json j_object_range(j_object.begin(), j_object.find("two"));
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// serialize the values
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std::cout << j_array_range << '\n';
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std::cout << j_number_range << '\n';
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std::cout << j_object_range << '\n';
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// example for an exception
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try
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{
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json j_invalid(j_number.begin() + 1, j_number.end());
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}
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catch (const json::invalid_iterator& e)
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{
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std::cout << e.what() << '\n';
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}
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}
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