flutter_rust_bridge 2.12.0

Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple
Documentation 
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use crate::codec::BaseCodec;
use crate::codec::Rust2DartMessageTrait;
use crate::generalized_isolate::SendableChannelHandle;
use std::marker::PhantomData;

// *NOT* cloneable, since it invokes stream-close when dropped
pub(crate) struct StreamSinkCloser<Rust2DartCodec: BaseCodec> {
    sendable_channel_handle: SendableChannelHandle,
    _phantom_data: PhantomData<Rust2DartCodec>,
}

impl<Rust2DartCodec: BaseCodec> StreamSinkCloser<Rust2DartCodec> {
    pub fn new(sendable_channel_handle: SendableChannelHandle) -> Self {
        Self {
            sendable_channel_handle,
            _phantom_data: PhantomData,
        }
    }
}

impl<Rust2DartCodec: BaseCodec> Drop for StreamSinkCloser<Rust2DartCodec> {
    fn drop(&mut self) {
        super::stream_sink::sender(&self.sendable_channel_handle)
            .send_or_warn(Rust2DartCodec::encode_close_stream().into_dart_abi())
    }
}