summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--futures/src/command.rs107
-rw-r--r--futures/src/command/native.rs100
-rw-r--r--futures/src/command/web.rs101
-rw-r--r--futures/src/lib.rs28
-rw-r--r--futures/src/subscription.rs34
-rw-r--r--futures/src/subscription/tracker.rs10
-rw-r--r--native/src/subscription/events.rs4
7 files changed, 149 insertions, 235 deletions
diff --git a/futures/src/command.rs b/futures/src/command.rs
index 26f58fde..535ae4f7 100644
--- a/futures/src/command.rs
+++ b/futures/src/command.rs
@@ -1,11 +1,102 @@
-#[cfg(not(target_arch = "wasm32"))]
-mod native;
+use crate::BoxFuture;
+use futures::future::{Future, FutureExt};
-#[cfg(not(target_arch = "wasm32"))]
-pub use native::Command;
+/// A collection of async operations.
+///
+/// You should be able to turn a future easily into a [`Command`], either by
+/// using the `From` trait or [`Command::perform`].
+///
+/// [`Command`]: struct.Command.html
+pub struct Command<T> {
+ futures: Vec<BoxFuture<T>>,
+}
-#[cfg(target_arch = "wasm32")]
-mod web;
+impl<T> Command<T> {
+ /// Creates an empty [`Command`].
+ ///
+ /// In other words, a [`Command`] that does nothing.
+ ///
+ /// [`Command`]: struct.Command.html
+ pub fn none() -> Self {
+ Self {
+ futures: Vec::new(),
+ }
+ }
-#[cfg(target_arch = "wasm32")]
-pub use web::Command;
+ /// Creates a [`Command`] that performs the action of the given future.
+ ///
+ /// [`Command`]: struct.Command.html
+ pub fn perform<A>(
+ future: impl Future<Output = T> + 'static + Send,
+ f: impl Fn(T) -> A + 'static + Send,
+ ) -> Command<A> {
+ Command {
+ futures: vec![Box::pin(future.map(f))],
+ }
+ }
+
+ /// Applies a transformation to the result of a [`Command`].
+ ///
+ /// [`Command`]: struct.Command.html
+ pub fn map<A>(
+ mut self,
+ f: impl Fn(T) -> A + 'static + Send + Sync,
+ ) -> Command<A>
+ where
+ T: 'static,
+ {
+ let f = std::sync::Arc::new(f);
+
+ Command {
+ futures: self
+ .futures
+ .drain(..)
+ .map(|future| {
+ let f = f.clone();
+
+ Box::pin(future.map(move |result| f(result)))
+ as BoxFuture<A>
+ })
+ .collect(),
+ }
+ }
+
+ /// Creates a [`Command`] that performs the actions of all the given
+ /// commands.
+ ///
+ /// Once this command is run, all the commands will be executed at once.
+ ///
+ /// [`Command`]: struct.Command.html
+ pub fn batch(commands: impl IntoIterator<Item = Command<T>>) -> Self {
+ Self {
+ futures: commands
+ .into_iter()
+ .flat_map(|command| command.futures)
+ .collect(),
+ }
+ }
+
+ /// Converts a [`Command`] into its underlying list of futures.
+ ///
+ /// [`Command`]: struct.Command.html
+ pub fn futures(self) -> Vec<BoxFuture<T>> {
+ self.futures
+ }
+}
+
+impl<T, A> From<A> for Command<T>
+where
+ A: Future<Output = T> + 'static + Send,
+{
+ fn from(future: A) -> Self {
+ Self {
+ futures: vec![future.boxed()],
+ }
+ }
+}
+
+impl<T> std::fmt::Debug for Command<T> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ f.debug_struct("Command").finish()
+ }
+}
diff --git a/futures/src/command/native.rs b/futures/src/command/native.rs
deleted file mode 100644
index 38cb4e06..00000000
--- a/futures/src/command/native.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-use futures::future::{BoxFuture, Future, FutureExt};
-
-/// A collection of async operations.
-///
-/// You should be able to turn a future easily into a [`Command`], either by
-/// using the `From` trait or [`Command::perform`].
-///
-/// [`Command`]: struct.Command.html
-pub struct Command<T> {
- futures: Vec<BoxFuture<'static, T>>,
-}
-
-impl<T> Command<T> {
- /// Creates an empty [`Command`].
- ///
- /// In other words, a [`Command`] that does nothing.
- ///
- /// [`Command`]: struct.Command.html
- pub fn none() -> Self {
- Self {
- futures: Vec::new(),
- }
- }
-
- /// Creates a [`Command`] that performs the action of the given future.
- ///
- /// [`Command`]: struct.Command.html
- pub fn perform<A>(
- future: impl Future<Output = T> + 'static + Send,
- f: impl Fn(T) -> A + 'static + Send,
- ) -> Command<A> {
- Command {
- futures: vec![future.map(f).boxed()],
- }
- }
-
- /// Applies a transformation to the result of a [`Command`].
- ///
- /// [`Command`]: struct.Command.html
- pub fn map<A>(
- mut self,
- f: impl Fn(T) -> A + 'static + Send + Sync,
- ) -> Command<A>
- where
- T: 'static,
- {
- let f = std::sync::Arc::new(f);
-
- Command {
- futures: self
- .futures
- .drain(..)
- .map(|future| {
- let f = f.clone();
-
- future.map(move |result| f(result)).boxed()
- })
- .collect(),
- }
- }
-
- /// Creates a [`Command`] that performs the actions of all the given
- /// commands.
- ///
- /// Once this command is run, all the commands will be executed at once.
- ///
- /// [`Command`]: struct.Command.html
- pub fn batch(commands: impl IntoIterator<Item = Command<T>>) -> Self {
- Self {
- futures: commands
- .into_iter()
- .flat_map(|command| command.futures)
- .collect(),
- }
- }
-
- /// Converts a [`Command`] into its underlying list of futures.
- ///
- /// [`Command`]: struct.Command.html
- pub fn futures(self) -> Vec<BoxFuture<'static, T>> {
- self.futures
- }
-}
-
-impl<T, A> From<A> for Command<T>
-where
- A: Future<Output = T> + 'static + Send,
-{
- fn from(future: A) -> Self {
- Self {
- futures: vec![future.boxed()],
- }
- }
-}
-
-impl<T> std::fmt::Debug for Command<T> {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
- f.debug_struct("Command").finish()
- }
-}
diff --git a/futures/src/command/web.rs b/futures/src/command/web.rs
deleted file mode 100644
index 11b46b90..00000000
--- a/futures/src/command/web.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-use futures::future::{Future, FutureExt};
-use std::pin::Pin;
-
-/// A collection of async operations.
-///
-/// You should be able to turn a future easily into a [`Command`], either by
-/// using the `From` trait or [`Command::perform`].
-///
-/// [`Command`]: struct.Command.html
-pub struct Command<T> {
- futures: Vec<Pin<Box<dyn Future<Output = T> + 'static>>>,
-}
-
-impl<T> Command<T> {
- /// Creates an empty [`Command`].
- ///
- /// In other words, a [`Command`] that does nothing.
- ///
- /// [`Command`]: struct.Command.html
- pub fn none() -> Self {
- Self {
- futures: Vec::new(),
- }
- }
-
- /// Creates a [`Command`] that performs the action of the given future.
- ///
- /// [`Command`]: struct.Command.html
- pub fn perform<A>(
- future: impl Future<Output = T> + 'static,
- f: impl Fn(T) -> A + 'static,
- ) -> Command<A> {
- Command {
- futures: vec![future.map(f).boxed_local()],
- }
- }
-
- /// Applies a transformation to the result of a [`Command`].
- ///
- /// [`Command`]: struct.Command.html
- pub fn map<A>(
- mut self,
- f: impl Fn(T) -> A + 'static + Send + Sync + Unpin,
- ) -> Command<A>
- where
- T: 'static,
- {
- let f = std::sync::Arc::new(f);
-
- Command {
- futures: self
- .futures
- .drain(..)
- .map(|future| {
- let f = f.clone();
-
- future.map(move |result| f(result)).boxed_local()
- })
- .collect(),
- }
- }
-
- /// Creates a [`Command`] that performs the actions of all the given
- /// commands.
- ///
- /// Once this command is run, all the commands will be executed at once.
- ///
- /// [`Command`]: struct.Command.html
- pub fn batch(commands: impl IntoIterator<Item = Command<T>>) -> Self {
- Self {
- futures: commands
- .into_iter()
- .flat_map(|command| command.futures)
- .collect(),
- }
- }
-
- /// Converts a [`Command`] into its underlying list of futures.
- ///
- /// [`Command`]: struct.Command.html
- pub fn futures(self) -> Vec<Pin<Box<dyn Future<Output = T> + 'static>>> {
- self.futures
- }
-}
-
-impl<T, A> From<A> for Command<T>
-where
- A: Future<Output = T> + 'static,
-{
- fn from(future: A) -> Self {
- Self {
- futures: vec![future.boxed_local()],
- }
- }
-}
-
-impl<T> std::fmt::Debug for Command<T> {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
- f.debug_struct("Command").finish()
- }
-}
diff --git a/futures/src/lib.rs b/futures/src/lib.rs
index c25c0853..79178931 100644
--- a/futures/src/lib.rs
+++ b/futures/src/lib.rs
@@ -16,3 +16,31 @@ pub use command::Command;
pub use executor::Executor;
pub use runtime::Runtime;
pub use subscription::Subscription;
+
+/// A boxed static future.
+///
+/// - On native platforms, it needs a `Send` requirement.
+/// - On the Web platform, it does not need a `Send` requirement.
+#[cfg(not(target_arch = "wasm32"))]
+pub type BoxFuture<T> = futures::future::BoxFuture<'static, T>;
+
+/// A boxed static future.
+///
+/// - On native platforms, it needs a `Send` requirement.
+/// - On the Web platform, it does not need a `Send` requirement.
+#[cfg(target_arch = "wasm32")]
+pub type BoxFuture<T> = futures::future::LocalBoxFuture<'static, T>;
+
+/// A boxed static stream.
+///
+/// - On native platforms, it needs a `Send` requirement.
+/// - On the Web platform, it does not need a `Send` requirement.
+#[cfg(not(target_arch = "wasm32"))]
+pub type BoxStream<T> = futures::stream::BoxStream<'static, T>;
+
+/// A boxed static stream.
+///
+/// - On native platforms, it needs a `Send` requirement.
+/// - On the Web platform, it does not need a `Send` requirement.
+#[cfg(target_arch = "wasm32")]
+pub type BoxStream<T> = futures::stream::LocalBoxStream<'static, T>;
diff --git a/futures/src/subscription.rs b/futures/src/subscription.rs
index 8eccb7be..ab333a20 100644
--- a/futures/src/subscription.rs
+++ b/futures/src/subscription.rs
@@ -3,7 +3,7 @@ mod tracker;
pub use tracker::Tracker;
-use futures::stream::BoxStream;
+use crate::BoxStream;
/// A request to listen to external events.
///
@@ -168,8 +168,8 @@ pub trait Recipe<Hasher: std::hash::Hasher, Event> {
/// [`Recipe`]: trait.Recipe.html
fn stream(
self: Box<Self>,
- input: BoxStream<'static, Event>,
- ) -> BoxStream<'static, Self::Output>;
+ input: BoxStream<Event>,
+ ) -> BoxStream<Self::Output>;
}
struct Map<Hasher, Event, A, B> {
@@ -201,18 +201,16 @@ where
self.recipe.hash(state);
}
- fn stream(
- self: Box<Self>,
- input: BoxStream<'static, E>,
- ) -> futures::stream::BoxStream<'static, Self::Output> {
+ fn stream(self: Box<Self>, input: BoxStream<E>) -> BoxStream<Self::Output> {
use futures::StreamExt;
let mapper = self.mapper;
- self.recipe
- .stream(input)
- .map(move |element| mapper(element))
- .boxed()
+ Box::pin(
+ self.recipe
+ .stream(input)
+ .map(move |element| mapper(element)),
+ )
}
}
@@ -243,17 +241,15 @@ where
self.recipe.hash(state);
}
- fn stream(
- self: Box<Self>,
- input: BoxStream<'static, E>,
- ) -> futures::stream::BoxStream<'static, Self::Output> {
+ fn stream(self: Box<Self>, input: BoxStream<E>) -> BoxStream<Self::Output> {
use futures::StreamExt;
let value = self.value;
- self.recipe
- .stream(input)
- .map(move |element| (value.clone(), element))
- .boxed()
+ Box::pin(
+ self.recipe
+ .stream(input)
+ .map(move |element| (value.clone(), element)),
+ )
}
}
diff --git a/futures/src/subscription/tracker.rs b/futures/src/subscription/tracker.rs
index cfa36170..efb464b5 100644
--- a/futures/src/subscription/tracker.rs
+++ b/futures/src/subscription/tracker.rs
@@ -1,6 +1,6 @@
-use crate::Subscription;
+use crate::{BoxFuture, Subscription};
-use futures::{channel::mpsc, future::BoxFuture, sink::Sink};
+use futures::{channel::mpsc, sink::Sink};
use std::{collections::HashMap, marker::PhantomData};
/// A registry of subscription streams.
@@ -59,7 +59,7 @@ where
&mut self,
subscription: Subscription<Hasher, Event, Message>,
receiver: Receiver,
- ) -> Vec<BoxFuture<'static, ()>>
+ ) -> Vec<BoxFuture<()>>
where
Message: 'static + Send,
Receiver: 'static
@@ -70,7 +70,7 @@ where
{
use futures::{future::FutureExt, stream::StreamExt};
- let mut futures = Vec::new();
+ let mut futures: Vec<BoxFuture<()>> = Vec::new();
let recipes = subscription.recipes();
let mut alive = std::collections::HashSet::new();
@@ -115,7 +115,7 @@ where
},
);
- futures.push(future.boxed());
+ futures.push(Box::pin(future));
}
self.subscriptions.retain(|id, _| alive.contains(&id));
diff --git a/native/src/subscription/events.rs b/native/src/subscription/events.rs
index 7d33166e..ceae467d 100644
--- a/native/src/subscription/events.rs
+++ b/native/src/subscription/events.rs
@@ -2,7 +2,7 @@ use crate::{
subscription::{EventStream, Recipe},
Event, Hasher,
};
-use iced_futures::futures::stream::BoxStream;
+use iced_futures::BoxStream;
pub struct Events;
@@ -18,7 +18,7 @@ impl Recipe<Hasher, Event> for Events {
fn stream(
self: Box<Self>,
event_stream: EventStream,
- ) -> BoxStream<'static, Self::Output> {
+ ) -> BoxStream<Self::Output> {
event_stream
}
}