wit-bindgen-cli 0.57.1

CLI tool to generate bindings for WIT documents and the component model. 
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use wit_bindgen::{StreamReader, StreamResult};

include!(env!("BINDINGS"));

struct Component;

export!(Component);

impl crate::exports::my::test::i::Guest for Component {
    async fn read_stream(mut x: StreamReader<u8>) {
        // read one item
        let (result, buf) = x.read(Vec::with_capacity(1)).await;
        assert_eq!(result, StreamResult::Complete(1));
        assert_eq!(buf, [0]);

        // read two items
        let (result, buf) = x.read(Vec::with_capacity(2)).await;
        assert_eq!(result, StreamResult::Complete(2));
        assert_eq!(buf, [1, 2]);

        // read 1/2 items
        let (result, buf) = x.read(Vec::with_capacity(1)).await;
        assert_eq!(result, StreamResult::Complete(1));
        assert_eq!(buf, [3]);

        // read the next buffered item
        let (result, buf) = x.read(Vec::with_capacity(1)).await;
        assert_eq!(result, StreamResult::Complete(1));
        assert_eq!(buf, [4]);

        // drop
        drop(x);
    }
}