sol-trade-sdk 4.0.3

Rust SDK to interact with the dex trade Solana program.
Documentation 
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use tokio::task::JoinHandle;

pub struct SubscriptionHandle {
    pub task: JoinHandle<()>,
    pub unsub_fn: Box<dyn Fn() + Send>,
}

impl SubscriptionHandle {
    pub async fn shutdown(self) {
        (self.unsub_fn)();
        self.task.abort();
    }
}