QAbstractItemModel::match bug?

[Koyi]

By the way, do you realize that this is incorrect syntax for OR-ing flags?

Qt::MatchFlags(Qt::MatchExactly || Qt::MatchWrap)

Qt::MatchFlags(Qt::MatchExactly || Qt::MatchWrap)

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It should be this:

Qt::MatchFlags(Qt::MatchExactly | Qt::MatchWrap)

Qt::MatchFlags(Qt::MatchExactly | Qt::MatchWrap)

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A simple typo like this could lead to all sorts of unexplained behavior, because the result of the logical OR (||) will probably not be the same as the result of the bitwise OR (|).

Ohh my God!!!! Great mistake
but in this case, the result is the same. The problem was that operator== don't work as I espected