I would like to take this opportunity to query on a consensus:
Would you prefer to allow methods with type hinted return values to return null
at will, or add a marker noting that it *may* return null?
Example: Return null at will
public ArrayIterator getIterator()
{
// something happened, will return null
return null;
}
Example: Return only if identified as such
public ArrayIterator? getIterator()
{
return null;
}
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