xuefeng-xu opened a new issue, #405:
URL: https://github.com/apache/datasketches-cpp/issues/405
For example, I have a list contains int, float, and string types of data.
I can get frequent items, after update the sketch. But how to serialize it?
```python
from datasketches import (
frequent_items_sketch,
PyFloatsSerDe,
PyIntsSerDe,
PyStringsSerDe,
PyLongsSerDe,
PyDoublesSerDe,
)
fi = frequent_items_sketch(3)
X = [1, 3.4, 'a']
W = [20, 30, 25]
for x, w in zip(X, W):
fi.update(x, w)
print(fi.get_frequent_items(frequent_items_error_type.NO_FALSE_POSITIVES))
# [(3.4, 30, 30, 30), ('a', 25, 25, 25), (1, 20, 20, 20)]
fi_bytes = fi.serialize()
# how to serialize the sketch?
```
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