jmalkin commented on issue #405:
URL:
https://github.com/apache/datasketches-cpp/issues/405#issuecomment-1799349103
You shouldn't need to edit anything. Just define your own serde object that
implements the methods and pass it iun when you call `serialize()`
From the comment in that file:
Each implementation must extend the PyObjectSerDe class and define three
methods:
* get_size(item) returns an int of the number of bytes needed to
serialize the given item
* to_bytes(item) returns a bytes object representing a serialized
version of the given item
* from_bytes(data, offset) takes a bytes object (data) and an offset
indicating where in the data array to start reading. The method
returns a tuple with the newly reconstructed object and the
total number of bytes beyond the offset read from the input data.
And there's an example of using the serde in the tests for the fi sketch:
` fi_bytes = fi.serialize(PyIntsSerDe())
self.assertEqual(len(fi_bytes),
fi.get_serialized_size_bytes(PyIntsSerDe()))
new_fi = frequent_items_sketch.deserialize(fi_bytes, PyIntsSerDe())`
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