local-channel: drop futures-util by using future::poll_fn from std (#490)

Author: paolobarbolini

local-channel/Cargo.toml

@@ -15,8 +15,8 @@ rust-version.workspace = true
 [dependencies]
 futures-core = "0.3.17"
 futures-sink = "0.3.17"
-futures-util = { version = "0.3.17", default-features = false }
 local-waker = "0.1"
 
 [dev-dependencies]
+futures-util = { version = "0.3.17", default-features = false }
 tokio = { version = "1.23.1", features = ["rt", "macros"] }

local-channel/src/mpsc.rs

@@ -4,14 +4,14 @@ use alloc::{collections::VecDeque, rc::Rc};
 use core::{
     cell::RefCell,
     fmt,
+    future::poll_fn,
     pin::Pin,
     task::{Context, Poll},
 };
 use std::error::Error;
 
 use futures_core::stream::Stream;
 use futures_sink::Sink;
-use futures_util::future::poll_fn;
 use local_waker::LocalWaker;
 
 /// Creates a unbounded in-memory channel with buffered storage.