QPair<T1, T2> == operator is not working as expected?

[70thCommander]

Hello Community,

i have the following codelines which gives a result of "true" out of the console.

QPair<QString, QString> blub, bla;
 
blub.first=="a";
blub.second=="b";
bla.first=="a";
bla.second=="z";
 
qDebug() << (blub == bla);

QPair<QString, QString> blub, bla;

blub.first=="a";
blub.second=="b";
bla.first=="a";
bla.second=="z";

qDebug() << (blub == bla);

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Why is this equal?