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As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
28 lines
564 B
C++
28 lines
564 B
C++
#include <iostream>
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#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 a JSON number
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json value = 17;
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// explicitly getting references
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auto r1 = value.get_ref<const json::number_integer_t&>();
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auto r2 = value.get_ref<json::number_integer_t&>();
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// print the values
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std::cout << r1 << ' ' << r2 << '\n';
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// incompatible type throws exception
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try
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{
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auto r3 = value.get_ref<json::number_float_t&>();
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}
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catch (json::type_error& ex)
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{
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std::cout << ex.what() << '\n';
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}
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}
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