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Capture exceptions by const& in docs. (#4099)
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@ -25,7 +25,7 @@ int main()
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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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catch (const 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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