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Former-commit-id: 11fe8baebf
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Maybe Waffle 2022-09-05 18:56:24 +04:00
parent f555c9739e
commit e9e0175771
1 changed files with 3 additions and 7 deletions
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10
src/dispatching/update_listeners.rs
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@ -124,13 +124,9 @@ pub trait AsUpdateStream<'a> {
type StreamErr;
/// The stream of updates from Telegram.
// HACK: There is currently no way to write something like
// `-> impl for<'a> AsUpdateStream<'a, E, Stream: Send>`. Since we return
// `impl UpdateListener<E>` from `polling`, we need to have `Send` bound here,
// to make the stream `Send`.
//
// Without this it's, for example, impossible to spawn a tokio task with
// teloxide polling.
// NB: `Send` is not strictly required here, but it makes it easier to return
// `impl AsUpdateStream` and also you want `Send` streams almost (?) always
// anyway.
type Stream: Stream<Item = Result<Update, Self::StreamErr>> + Send + 'a;
/// Creates the update [`Stream`].