Derive Macro async_graphql::MergedSubscription [−][src]
#[derive(MergedSubscription)] { // Attributes available to this derive: #[graphql] }
Expand description
Define a merged subscription with multiple subscription types.
Macro parameters
Attribute | description | Type | Optional |
---|---|---|---|
name | Object name | string | Y |
extends | Add fields to an entity that’s defined in another service | bool | Y |
visible | If false , it will not be displayed in introspection. See also the Book. | bool | Y |
visible | Call the specified function. If the return value is false , it will not be displayed in introspection. | string | Y |
Examples
use async_graphql::*; use futures_util::stream::Stream; #[derive(Default)] struct Subscription1; #[Subscription] impl Subscription1 { async fn events1(&self) -> impl Stream<Item = i32> { futures_util::stream::iter(0..10) } } #[derive(Default)] struct Subscription2; #[Subscription] impl Subscription2 { async fn events2(&self) -> impl Stream<Item = i32> { futures_util::stream::iter(10..20) } } #[derive(MergedSubscription, Default)] struct Subscription(Subscription1, Subscription2);