chore: address clippy lints for Rust 1.78

.github/workflows/ci.yml

@@ -234,7 +234,7 @@ jobs:
       fail-fast: false
       matrix:
         rust-version: [
-          1.77.0, # current stable
+          1.78.0, # current stable
           beta,
         ]
     steps:

libp2p/src/bandwidth.rs

@@ -154,7 +154,7 @@ impl<SMInner: AsyncRead> AsyncRead for InstrumentedStream<SMInner> {
         let this = self.project();
         let num_bytes = ready!(this.inner.poll_read(cx, buf))?;
         this.sinks.inbound.fetch_add(
-            u64::try_from(num_bytes).unwrap_or(u64::max_value()),
+            u64::try_from(num_bytes).unwrap_or(u64::MAX),
             Ordering::Relaxed,
         );
         Poll::Ready(Ok(num_bytes))
@@ -168,7 +168,7 @@ impl<SMInner: AsyncRead> AsyncRead for InstrumentedStream<SMInner> {
         let this = self.project();
         let num_bytes = ready!(this.inner.poll_read_vectored(cx, bufs))?;
         this.sinks.inbound.fetch_add(
-            u64::try_from(num_bytes).unwrap_or(u64::max_value()),
+            u64::try_from(num_bytes).unwrap_or(u64::MAX),
             Ordering::Relaxed,
         );
         Poll::Ready(Ok(num_bytes))
@@ -184,7 +184,7 @@ impl<SMInner: AsyncWrite> AsyncWrite for InstrumentedStream<SMInner> {
         let this = self.project();
         let num_bytes = ready!(this.inner.poll_write(cx, buf))?;
         this.sinks.outbound.fetch_add(
-            u64::try_from(num_bytes).unwrap_or(u64::max_value()),
+            u64::try_from(num_bytes).unwrap_or(u64::MAX),
             Ordering::Relaxed,
         );
         Poll::Ready(Ok(num_bytes))
@@ -198,7 +198,7 @@ impl<SMInner: AsyncWrite> AsyncWrite for InstrumentedStream<SMInner> {
         let this = self.project();
         let num_bytes = ready!(this.inner.poll_write_vectored(cx, bufs))?;
         this.sinks.outbound.fetch_add(
-            u64::try_from(num_bytes).unwrap_or(u64::max_value()),
+            u64::try_from(num_bytes).unwrap_or(u64::MAX),
             Ordering::Relaxed,
         );
         Poll::Ready(Ok(num_bytes))

misc/metrics/src/bandwidth.rs

@@ -255,7 +255,7 @@ impl<SMInner: AsyncRead> AsyncRead for InstrumentedStream<SMInner> {
         let num_bytes = ready!(this.inner.poll_read(cx, buf))?;
         this.metrics
             .inbound
-            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::max_value()));
+            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::MAX));
         Poll::Ready(Ok(num_bytes))
     }
 
@@ -268,7 +268,7 @@ impl<SMInner: AsyncRead> AsyncRead for InstrumentedStream<SMInner> {
         let num_bytes = ready!(this.inner.poll_read_vectored(cx, bufs))?;
         this.metrics
             .inbound
-            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::max_value()));
+            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::MAX));
         Poll::Ready(Ok(num_bytes))
     }
 }
@@ -283,7 +283,7 @@ impl<SMInner: AsyncWrite> AsyncWrite for InstrumentedStream<SMInner> {
         let num_bytes = ready!(this.inner.poll_write(cx, buf))?;
         this.metrics
             .outbound
-            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::max_value()));
+            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::MAX));
         Poll::Ready(Ok(num_bytes))
     }
 
@@ -296,7 +296,7 @@ impl<SMInner: AsyncWrite> AsyncWrite for InstrumentedStream<SMInner> {
         let num_bytes = ready!(this.inner.poll_write_vectored(cx, bufs))?;
         this.metrics
             .outbound
-            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::max_value()));
+            .inc_by(u64::try_from(num_bytes).unwrap_or(u64::MAX));
         Poll::Ready(Ok(num_bytes))
     }
 

misc/multistream-select/src/length_delimited.rs

@@ -25,7 +25,6 @@ use std::{
     io,
     pin::Pin,
     task::{Context, Poll},
-    u16,
 };
 
 const MAX_LEN_BYTES: u16 = 2;

misc/quickcheck-ext/src/lib.rs

@@ -9,7 +9,7 @@ pub trait GenRange {
     fn gen_range<T: Unsigned + Arbitrary + Copy>(&mut self, _range: Range<T>) -> T;
 
     fn gen_index(&mut self, ubound: usize) -> usize {
-        if ubound <= (core::u32::MAX as usize) {
+        if ubound <= (u32::MAX as usize) {
             self.gen_range(0..ubound as u32) as usize
         } else {
             self.gen_range(0..ubound)

protocols/kad/src/kbucket.rs

@@ -594,7 +594,7 @@ mod tests {
                 assert!(!bucket_ref.contains(&Distance(min.0 - 1)));
             }
 
-            if max != Distance(U256::max_value()) {
+            if max != Distance(U256::MAX) {
                 // ^ avoid overflow
                 assert!(!bucket_ref.contains(&Distance(max.0 + 1)));
             }

protocols/mdns/src/behaviour/iface/dns.rs

@@ -247,7 +247,7 @@ fn duration_to_secs(duration: Duration) -> u32 {
     let secs = duration
         .as_secs()
         .saturating_add(u64::from(duration.subsec_nanos() > 0));
-    cmp::min(secs, From::from(u32::max_value())) as u32
+    cmp::min(secs, From::from(u32::MAX)) as u32
 }
 
 /// Appends a big-endian u32 to `out`.

protocols/mdns/src/behaviour/timer.rs

@@ -98,7 +98,7 @@ pub(crate) mod tokio {
             // Taken from: https://docs.rs/async-io/1.7.0/src/async_io/lib.rs.html#91
             let mut inner = time::interval_at(
                 TokioInstant::from_std(instant),
-                Duration::new(std::u64::MAX, 1_000_000_000 - 1),
+                Duration::new(u64::MAX, 1_000_000_000 - 1),
             );
             inner.set_missed_tick_behavior(MissedTickBehavior::Skip);
             Self { inner }
@@ -125,7 +125,7 @@ pub(crate) mod tokio {
         }
 
         fn size_hint(&self) -> (usize, Option<usize>) {
-            (std::usize::MAX, None)
+            (usize::MAX, None)
         }
     }
 }

transports/websocket-websys/src/web_context.rs

@@ -1,3 +1,6 @@
+// TODO: remove when https://github.com/rust-lang/rust-clippy/issues/12377 fix lands in stable clippy.
+#![allow(clippy::empty_docs)]
+
 use wasm_bindgen::prelude::*;
 use web_sys::window;