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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>`.
37 lines
726 B
C++
37 lines
726 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 array
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const json array = {"first", "2nd", "third", "fourth"};
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// output element at index 2 (third element)
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std::cout << array.at(2) << '\n';
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// exception type_error.304
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try
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{
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// use at() on a non-array type
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const json str = "I am a string";
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std::cout << str.at(0) << '\n';
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}
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catch (json::type_error& e)
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{
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std::cout << e.what() << '\n';
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}
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// exception out_of_range.401
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try
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{
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// try to read beyond the array limit
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std::cout << array.at(5) << '\n';
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}
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catch (json::out_of_range& 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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