Implicit sharing and storing objects as value is very reasonable for basic data as QStrings, but there are reasonable doubts regarding Placemarks and other GeoData.
There are some possibilities:
- Don't use implicit sharing at all and store all objects on the heap with a pointer to it.
- Use implicit sharing and storing as value for GeoDataCoordinates only.
- Use implicit sharing and storing as value for all GeoData classes.
To find out which is the wisest I try to look at every single class:
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