wit-bindgen-cli 0.57.1

CLI tool to generate bindings for WIT documents and the component model. 
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//@ wasmtime-flags = '-Wcomponent-model-async'
//@ args = ['--std-feature']

#![no_std]

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

use crate::my::test::i::*;

struct Component;

export!(Component);

impl Guest for Component {
    async fn run() {
        let (tx, rx) = wit_future::new(|| unreachable!());
        let (res, ()) = futures::join!(tx.write(()), read_future(rx));
        assert!(res.is_ok());

        let (tx, rx) = wit_future::new(|| unreachable!());
        let (res, ()) = futures::join!(tx.write(()), drop_future(rx));
        assert!(res.is_err());
    }
}