remove warning and use rustfmt

src/main.rs

@@ -1,13 +1,13 @@
 mod bluetooth;
 mod patterns;
 
-use std::convert::TryFrom;
-use std::thread::sleep;
-use std::time::Duration;
+use crate::patterns::PixelColor;
 use bluer::gatt::remote::Characteristic;
 use patterns::Strip;
+use std::convert::TryFrom;
+use std::time::Duration;
 use tokio::sync::watch;
-use crate::patterns::PixelColor;
+use tokio::sync::watch::error::SendError;
 
 const SERVICE_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0900c33242a893bd25e905756cb8);
 const PIXEL_DATA_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0903c33242a893bd25e905756cb8);
@@ -22,20 +22,20 @@ async fn main() -> bluer::Result<()> {
 
     let mut pixels = Vec::<PixelColor>::new();
 
-    for _ in 0..STRIP_SIZE{
-        pixels.push(PixelColor{
-            red: 255, green: 0, blue:0
+    for _ in 0..STRIP_SIZE {
+        pixels.push(PixelColor {
+            red: 255,
+            green: 0,
+            blue: 0,
         })
     }
 
-
     let strip = Strip::<STRIP_SIZE> {
-        strip : <[PixelColor; 25]>::try_from(pixels).unwrap()
+        strip: <[PixelColor; 25]>::try_from(pixels).unwrap(),
     };
 
     let (tx, rx) = watch::channel(Strip::<STRIP_SIZE>::default());
 
-
     for device in devices {
         bluetooth::connect(&device, 3).await?;
         let char = bluetooth::get_char(&device, SERVICE_UUID, PIXEL_DATA_UUID).await?;
@@ -52,13 +52,22 @@ async fn main() -> bluer::Result<()> {
         }
     }
     loop {
-
-        tx.send(strip);
-        tokio::time::sleep(Duration::from_secs(1)).await;
-        tx.send(Strip::<STRIP_SIZE>::default());
-        tokio::time::sleep(Duration::from_secs(1)).await;
-
+        match tx.send(strip) {
+            Ok(_) => {}
+            Err(_) => {
+                break;
             }
+        }
+        tokio::time::sleep(Duration::from_secs(1)).await;
+        match tx.send(Strip::<STRIP_SIZE>::default()) {
+            Ok(_) => {}
+            Err(_) => {
+                break;
+            }
+        }
+        tokio::time::sleep(Duration::from_secs(1)).await;
+    }
+    Ok(())
 }
 
 // fn create_pattern_list() -> Vec<patterns>

src/patterns.rs

@@ -19,7 +19,6 @@ impl fmt::Display for PixelColor {
     }
 }
 
-
 impl Default for PixelColor {
     fn default() -> Self {
         PixelColor {
@@ -30,8 +29,6 @@ impl Default for PixelColor {
     }
 }
 
-
-
 #[derive(Copy, Clone)]
 pub struct Strip<const N: usize> {
     pub strip: [PixelColor; N],