27 lines
573 B
C++
27 lines
573 B
C++
#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 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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