Update CODE_STYLE.md

CODE_STYLE.md

@@ -123,3 +123,4 @@ C: Into<String>, { ... }
 ## Misc
  1. Use `Into<...>` only where there exists at least one conversion **and** it will be logically to use.
  2. Always mark a function as `#[must_use]` if its return value **must** be used.
+ 3. `Box::pin(async [move] { ... })` instead of `async [move] { ... }.boxed()`.

src/dispatching/dialogue/dialogue_dispatcher_handler.rs

@@ -1,5 +1,5 @@
 use crate::prelude::{DialogueStage, DialogueWithCx};
-use futures::{future::BoxFuture, FutureExt};
+use futures::future::BoxFuture;
 use std::{future::Future, sync::Arc};
 
 /// An asynchronous handler of an update used in [`DialogueDispatcher`].

src/dispatching/dialogue/storage/in_mem_storage.rs

@@ -1,5 +1,5 @@
 use super::Storage;
-use futures::{future::BoxFuture, FutureExt};
+use futures::future::BoxFuture;
 use std::{collections::HashMap, sync::Arc};
 use tokio::sync::Mutex;
 

src/dispatching/dispatcher_handler.rs

@@ -1,7 +1,7 @@
 use std::future::Future;
 
 use crate::dispatching::{DispatcherHandlerRx, UpdateWithCx};
-use futures::{future::BoxFuture, FutureExt};
+use futures::future::BoxFuture;
 
 /// An asynchronous handler of a stream of updates used in [`Dispatcher`].
 ///

src/error_handlers.rs

@@ -1,6 +1,6 @@
 //! Convenient error handling.
 
-use futures::{future::BoxFuture, FutureExt};
+use futures::future::BoxFuture;
 use std::{convert::Infallible, fmt::Debug, future::Future, sync::Arc};
 
 /// An asynchronous handler of an error.