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In this commit, also the semantics for values skipped via the parser callback has changed. Now, the top-level value is returned as “null” instead of “discarded”.
29 lines
564 B
C++
29 lines
564 B
C++
#include <json.hpp>
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using namespace nlohmann;
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int main()
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{
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// create JSON array
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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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// change element at index 1 (second element) to "second"
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array.at(1) = "second";
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// output changed array
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std::cout << array << '\n';
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// try to write beyond the array limit
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try
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{
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array.at(5) = "sixth";
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}
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catch (std::out_of_range)
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{
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std::cout << "out of range" << '\n';
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}
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}
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