From 9ca65c9f18454ba2bb3ff5667d9618a1491771db Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Wed, 18 Dec 2019 23:57:02 +0100
Subject: Fix missing `Subscription` type in `iced_web`

---
 web/src/hasher.rs       | 21 +++++++++++++++++++++
 web/src/lib.rs          |  4 ++++
 web/src/subscription.rs | 19 +++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 web/src/hasher.rs
 create mode 100644 web/src/subscription.rs

(limited to 'web/src')

diff --git a/web/src/hasher.rs b/web/src/hasher.rs
new file mode 100644
index 00000000..9ce2f7be
--- /dev/null
+++ b/web/src/hasher.rs
@@ -0,0 +1,21 @@
+use std::collections::hash_map::DefaultHasher;
+
+/// The hasher used to compare layouts.
+#[derive(Debug)]
+pub struct Hasher(DefaultHasher);
+
+impl Default for Hasher {
+    fn default() -> Self {
+        Hasher(DefaultHasher::default())
+    }
+}
+
+impl core::hash::Hasher for Hasher {
+    fn write(&mut self, bytes: &[u8]) {
+        self.0.write(bytes)
+    }
+
+    fn finish(&self) -> u64 {
+        self.0.finish()
+    }
+}
diff --git a/web/src/lib.rs b/web/src/lib.rs
index 782bcf93..d4c422d2 100644
--- a/web/src/lib.rs
+++ b/web/src/lib.rs
@@ -61,18 +61,22 @@ use std::{cell::RefCell, rc::Rc};
 
 mod bus;
 mod element;
+mod hasher;
 
 pub mod style;
+pub mod subscription;
 pub mod widget;
 
 pub use bus::Bus;
 pub use dodrio;
 pub use element::Element;
+pub use hasher::Hasher;
 pub use iced_core::{
     Align, Background, Color, Command, Font, HorizontalAlignment, Length,
     VerticalAlignment,
 };
 pub use style::Style;
+pub use subscription::Subscription;
 pub use widget::*;
 
 /// An interactive web application.
diff --git a/web/src/subscription.rs b/web/src/subscription.rs
new file mode 100644
index 00000000..4638c8ab
--- /dev/null
+++ b/web/src/subscription.rs
@@ -0,0 +1,19 @@
+//! 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;
-- 
cgit 


From 68c8ebcd775416d5eb8efa9c095bbe1d44d964ad Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Thu, 19 Dec 2019 00:09:19 +0100
Subject: Fix `web::Hasher` doc comment

---
 web/src/hasher.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'web/src')

diff --git a/web/src/hasher.rs b/web/src/hasher.rs
index 9ce2f7be..1a28a2f9 100644
--- a/web/src/hasher.rs
+++ b/web/src/hasher.rs
@@ -1,6 +1,6 @@
 use std::collections::hash_map::DefaultHasher;
 
-/// The hasher used to compare layouts.
+/// The hasher used to compare subscriptions.
 #[derive(Debug)]
 pub struct Hasher(DefaultHasher);
 
-- 
cgit