Right shift operators
<nlohmann/json.hpp>deserialize from stream
std::istream&
operator>>(
    std::istream& i,
    basic_json& j);
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deserialize from stream
std::istream&
operator>>(
    std::istream& i,
    basic_json& j);
» more...
serialize to stream
[[__deprecated__]]
std::ostream&
operator>>(
    basic_json const& j,
    std::ostream& o);
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serialize to stream
[[__deprecated__]]
std::ostream&
operator>>(
    basic_json const& j,
    std::ostream& o);
» more...