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Merge pull request #1723 from iced-rs/subscription-run

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Change `subscription::run` to take a function pointer
This commit is contained in:
Héctor Ramón 2023-02-21 21:18:01 +01:00 • committed by GitHub
commit 666f3cd143
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1 changed files with 15 additions and 2 deletions
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17
native/src/subscription.rs
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@ -100,11 +100,24 @@ where
})
}
/// Returns a [`Subscription`] that will call the given function to create and
/// asynchronously run the given [`Stream`].
pub fn run<S, Message>(builder: fn() -> S) -> Subscription<Message>
where
S: Stream<Item = Message> + MaybeSend + 'static,
Message: 'static,
{
Subscription::from_recipe(Runner {
id: builder,
spawn: move |_| builder(),
})
}
/// Returns a [`Subscription`] that will create and asynchronously run the
/// given [`Stream`].
///
/// The `id` will be used to uniquely identify the [`Subscription`].
pub fn run<I, S, Message>(id: I, stream: S) -> Subscription<Message>
pub fn run_with_id<I, S, Message>(id: I, stream: S) -> Subscription<Message>
where
I: Hash + 'static,
S: Stream<Item = Message> + MaybeSend + 'static,
@ -199,7 +212,7 @@ where
use futures::future::{self, FutureExt};
use futures::stream::StreamExt;
run(
run_with_id(
id,
futures::stream::unfold(initial, move |state| f(state).map(Some))
.filter_map(future::ready),