Cannot deserialize predictor about vaporetto HOT 4 CLOSED

@rabbit19981023 Thank you for your report.
I fixed a bug.
Could you confirm the behavior again?

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@rabbit19981023 I created a pull request to describe the zstd format. (#88)

We don't have any plan to support the zstd format in the vapretto API, but you can also decompress these files yourself using the unzstd command, which is contained in modern Linux distributions.

For further discussion, please reply at #88, not here.

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@vbkaisetsu

Yes, serializing & deserializing all goes well now. Thanks for fast bug fixing!

And I have another question not related to this case:

I could use ruzstd::StreamingDecoder to create Model instance like what the wasm example source code does. But how to just use std::fs::File::open or std::fs::read to do the same stuff?

Example use model.bin, and the downloaded one use .zst extension, how could I convert .zst extension to .bin?

// these codes works fine
let model_data = read("./model.zst").unwrap();
let mut decoder = ruzstd::StreamingDecoder::new(model_data.as_slice()).unwrap();
let mut buffer = vec![];
decoder.read_to_end(&mut buffer).unwrap();
let (model, _) = Model::read_slice(&buffer).unwrap();

// these codes panic
let file = File::open("./model.zst").unwrap();
let model = Model::read(file).unwrap();
// Error: "model version mismatch"

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Thank you for the detail description !

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