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An optional parameter for dump() allows to set the character to use for indentation (default: space). In case a JSON value is serialized to an output stream, its fill character is used (and can be set with std::setfill).
21 lines
537 B
C++
21 lines
537 B
C++
#include "json.hpp"
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#include <iomanip> // for std::setw
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using json = nlohmann::json;
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int main()
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{
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// create JSON values
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json j_object = {{"one", 1}, {"two", 2}};
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json j_array = {1, 2, 4, 8, 16};
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// serialize without indentation
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std::cout << j_object << "\n\n";
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std::cout << j_array << "\n\n";
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// serialize with indentation
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std::cout << std::setw(4) << j_object << "\n\n";
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std::cout << std::setw(2) << j_array << "\n\n";
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std::cout << std::setw(1) << std::setfill('\t') << j_object << "\n\n";
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}
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