sync: flatten module structure.

embassy-sync/src/channel.rs

@@ -373,7 +373,7 @@ where
     /// Establish a new bounded channel. For example, to create one with a NoopMutex:
     ///
     /// ```
-    /// use embassy_sync::channel::mpmc::Channel;
+    /// use embassy_sync::channel::Channel;
     /// use embassy_sync::blocking_mutex::raw::NoopRawMutex;
     ///
     /// // Declare a bounded channel of 3 u32s.

embassy-sync/src/channel/mod.rs

@@ -1,5 +0,0 @@
-//! Async channels
-
-pub mod mpmc;
-pub mod pubsub;
-pub mod signal;

embassy-sync/src/lib.rs

@@ -14,4 +14,6 @@ pub mod blocking_mutex;
 pub mod channel;
 pub mod mutex;
 pub mod pipe;
+pub mod pubsub;
+pub mod signal;
 pub mod waitqueue;

embassy-sync/src/pubsub/mod.rs

@@ -34,8 +34,8 @@ pub use subscriber::{DynSubscriber, Subscriber};
 ///
 /// ```
 /// # use embassy_sync::blocking_mutex::raw::NoopRawMutex;
-/// # use embassy_sync::channel::pubsub::WaitResult;
-/// # use embassy_sync::channel::pubsub::PubSubChannel;
+/// # use embassy_sync::pubsub::WaitResult;
+/// # use embassy_sync::pubsub::PubSubChannel;
 /// # use futures_executor::block_on;
 /// # let test = async {
 /// // Create the channel. This can be static as well

embassy-sync/src/signal.rs

@@ -19,7 +19,7 @@ use core::task::{Context, Poll, Waker};
 /// Signals are generally declared as `static`s and then borrowed as required.
 ///
 /// ```
-/// use embassy_sync::channel::signal::Signal;
+/// use embassy_sync::signal::Signal;
 ///
 /// enum SomeCommand {
 ///   On,