use anyhow::Result as AnyResult;
#[derive(Debug)]
struct Value(i32);

#[tokio::main]
async fn main() -> AnyResult<()> {
    let mut m = Value(1); 
    async move {
        m.0 = 123;
    }
    .await;
    println!("m: {:?}", m);  //why output: m: Value(1)
    Ok::<_, anyhow::Error>(())
}

Why?

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