[Qt-interest] Is Qt smart anough not to load the same icon resource multiple times?

[Daniel Price]

If I create multiple instances of a custom widget that loads an icon from a resource like this:

m_icon(QPixmap(":/MyIcons/MyIcon.png"))

is Qt smart enough to load the icon only once and implicitly share the resource? Or it is loading the same icon multiple times and wasting memory?

I know that many Qt classes implicitly share their data when copy-constructed or assigned but how can members in separate instances 'know' about each other?

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