rust异步闭包动态分发.md

struct DynFn
{
    funcs: Vec<std::pin::Pin<Box<dyn std::future::Future<Output=()>>>>
}

impl DynFn
{
    fn new() -> DynFn {
        DynFn {
            funcs: Vec::new()
        }
    }
}


#[async_std::main]
async fn main() {
    println!("Hello, world!");

    let mut v=DynFn::new();
    v.funcs.push(Box::pin(  async  { println!("ok1");    }  ));
    v.funcs.push(Box::pin(  async  { println!("ok2");    }  ));
    for item in v.funcs{
        item.await
    }
}