From f6f4869b5baf98e3f547aff1ca39511a40c62a3f Mon Sep 17 00:00:00 2001
From: Ian Hobson <ian.r.hobson@gmail.com>
Date: Fri, 12 May 2023 16:52:06 +0200
Subject: [PATCH] clippy: Avoid () as return type

---
 src/fmt.rs        | 5 ++---
 src/wavewriter.rs | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/fmt.rs b/src/fmt.rs
index 5892638..be34ff6 100644
--- a/src/fmt.rs
+++ b/src/fmt.rs
@@ -320,7 +320,7 @@ impl WaveFmt {
     }
 
     /// Write frames into a byte vector
-    pub fn pack_frames(&self, from_frames: &[i32], into_bytes: &mut [u8]) -> () {
+    pub fn pack_frames(&self, from_frames: &[i32], into_bytes: &mut [u8]) {
         let mut write_cursor = Cursor::new(into_bytes);
 
         assert!(
@@ -338,11 +338,10 @@ impl WaveFmt {
                         b, self.channel_count, self.block_alignment)
                 }
         }
-        ()
     }
 
     /// Read bytes into frames
-    pub fn unpack_frames(&self, from_bytes: &[u8], into_frames: &mut [i32]) -> () {
+    pub fn unpack_frames(&self, from_bytes: &[u8], into_frames: &mut [i32]) {
         let mut rdr = Cursor::new(from_bytes);
         for frame in into_frames {
             *frame = match (self.valid_bits_per_sample(), self.bits_per_sample) {
diff --git a/src/wavewriter.rs b/src/wavewriter.rs
index 955688e..4190116 100644
--- a/src/wavewriter.rs
+++ b/src/wavewriter.rs
@@ -33,13 +33,12 @@ where
         AudioFrameWriter { inner }
     }
 
-    fn write_integer_frames_to_buffer(&self, from_frames: &[i32], to_buffer: &mut [u8]) -> () {
+    fn write_integer_frames_to_buffer(&self, from_frames: &[i32], to_buffer: &mut [u8]) {
         assert!(
             from_frames.len() % self.inner.inner.format.channel_count as usize == 0,
             "frames buffer does not contain a number of samples % channel_count == 0"
         );
         self.inner.inner.format.pack_frames(from_frames, to_buffer);
-        ()
     }
 
     /// Write interleaved samples in `buffer`