WIP: QT (cute) type supports

[42sol-eu]

• Describe the feature in as much detail as possible.

add a feature_flagged function the nlohmann::json(::magic) to support Qt-Datatypes
I would at least start implementing that if someone would coach me through!

good examples: easylogging++

• Include sample usage where appropriate.

QMap<QString, MyData> data = json_data; // converted with nlohmann::json::magic ;-)

QMap<std::string, MyData> data = json_data; 

QVector<QVariant> string_list = json_data;

[nlohmann]

This should be all possible via the to_json/from_json functions, described in https://github.com/nlohmann/json#arbitrary-types-conversions.

[42sol-eu]

so i I would implement a json_qt.hpp with the to_json(... QMap<> ...) and from_json( ... QMap<>) the QT type system could be included?

often it is only like a std-library type e.g.

void to_json(json j, QString d )
{
    j =  d.toStdString()
}

void from_json(json j, QString d )
{
    d = QString::fromStdString( j.get_as<std::string>)
}

I was wondering where you implemented it for std:vector and std::list - maybe this would be a great template for the QT containers (by the way I hate them and would replace them with std-library containers as soon as possible, but ...)

[nlohmann]

I would not like to add the conversions from/to Qt to the library as it would then depend on the Qt headers. But all conversions are possible via to_json/from_json functions, so you could create your own json_qt.hpp header.

[stale]

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