Bidirectional streaming between rust and flutter.

[iamguid]

Now flutter_rust_bridge provides the ability to return a stream from a called function, this is implemented using the StreamSink primitive, but what if you need to pass a stream as an argument? I mean to do it like it is implemented in WebSocket, GRPCWeb, etc. Of course, to organize a bidirectional stream, you can call a function with the necessary arguments and return a stream, but it seems to me that it would be more useful to be able to both transfer a stream and return a stream.

I suggest to make 2 primitives

1. rust -> dart streaming
2. dart -> rust steaming

What do you think ?

[welcome]

Hi! Thanks for opening your first issue here! 😄

[fzyzcjy]

• rust->dart stream: already exists
• dart->rust stream: for each stream.add we can simply call a rust function, this can also be easily wrapped

So seems that this would not be very hard.

Anyway feel free to PR for the feature you like!

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