mirror of
https://github.com/nlohmann/json
synced 2024-12-04 01:01:05 +00:00
9b32f72584
As I learned in https://github.com/melpon/wandbox/issues/209, this library is already installed at Wandbox, so we need to adjust the examples to use `#include "json.hpp"` insteas of `#include <json.hpp>`.
32 lines
819 B
C++
32 lines
819 B
C++
#include "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 (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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