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diff --git a/web/src/subscription.rs b/web/src/subscription.rs
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+++ b/web/src/subscription.rs
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+//! Listen to external events in your application.
+use crate::Hasher;
+
+/// A request to listen to external events.
+///
+/// Besides performing async actions on demand with [`Command`], most
+/// applications also need to listen to external events passively.
+///
+/// A [`Subscription`] is normally provided to some runtime, like a [`Command`],
+/// and it will generate events as long as the user keeps requesting it.
+///
+/// For instance, you can use a [`Subscription`] to listen to a WebSocket
+/// connection, keyboard presses, mouse events, time ticks, etc.
+///
+/// [`Command`]: ../struct.Command.html
+/// [`Subscription`]: struct.Subscription.html
+pub type Subscription<T> = iced_core::Subscription<Hasher, (), T>;
+
+pub use iced_core::subscription::Recipe;