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# missing-qobject-macro
Finds `QObject` derived classes that don't have a Q_OBJECT macro.
#### Reasons to use Q_OBJECT
- Signals and slots
- `QObject::inherits`
- `qobject_cast`
- `metaObject()->className()`
- Use your custom widget as a selector in Qt stylesheets
#### Reasons not to use Q_OBJECT
- Templated QObjects
- Compilation time
This check can't be used with pre-compiled headers support.
This check doesn't have false positives, but it's not included in level <= 1 because the missing Q_OBJECT might be intentional.
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