[Interest] QJsonDocument::fromVariant failing with list
thiago.macieira at intel.com
Wed Jun 9 16:08:17 CEST 2021
On Wednesday, 9 June 2021 00:34:40 PDT Allan Sandfeld Jensen wrote:
> > QList is not a type, it's a template. Neither QVariant nor QJsonDocument
> > can know all possible QList instantiations. So they have coded only a few
> > (QVariantList and QStringList only, possibly QVector<QVariant> and
> > QVector<QString> in Qt 5 too, I don't remember).
> I guess our system could detect QList<QVariant> as QVariantList and
> QList<QString> as QStringList. They should be binary identical anyway.
They already do.
The problem is QList of other things that it's not coded for, like
QList<QVariantMap> in this case, or QList<int> or QList<bool>. Since JSON
arrays are not expected to be homogeneous, QJsonDocument does not support
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel DPG Cloud Engineering
More information about the Interest