Implement clippy suggestions

Author: michidk

README.md

@@ -1,6 +1,6 @@
 # displayz
 
-[![MIT License](https://img.shields.io/crates/l/displayz)](https://choosealicense.com/licenses/mit/) [![Continuous integration](https://github.com/michidk/displayz/workflows/Continuous%20Integration/badge.svg)](https://github.com/michidk/displaz/actions) [![rust docs](https://docs.rs/displayz/badge.svg)](https://docs.rs/displayz/latest/displayz/) [![Crates.io](https://img.shields.io/crates/v/displayz)](https://crates.io/crates/displayz)
+[![MIT License](https://img.shields.io/crates/l/displayz)](https://choosealicense.com/licenses/mit/) [![Continuous Integration](https://github.com/michidk/displayz/actions/workflows/ci.yaml/badge.svg)](https://github.com/michidk/displayz/actions/workflows/ci.yaml) [![rust docs](https://docs.rs/displayz/badge.svg)](https://docs.rs/displayz/latest/displayz/) [![Crates.io](https://img.shields.io/crates/v/displayz)](https://crates.io/crates/displayz)
 [![Chocolatey](https://img.shields.io/chocolatey/v/displayz?include_prereleases)](https://community.chocolatey.org/packages/displayz)
 
 A CLI tool and library to control display settings on Windows written in Rust.

src/display.rs

@@ -130,7 +130,7 @@ impl DisplaySet {
 
         // move all other displays to new position (because we set a new origin in the next step)
         for (i, display) in self.displays.iter().enumerate() {
-            if display.active && i != index as usize {
+            if display.active && i != index {
                 let settings = display
                     .settings
                     .as_ref()
@@ -141,7 +141,7 @@ impl DisplaySet {
         }
 
         // the new primary is the new origin
-        let new_primary_mut = &self.displays[index as usize];
+        let new_primary_mut = &self.displays[index];
         let new_settings = new_primary_mut
             .settings
             .as_ref()

src/main.rs

@@ -92,7 +92,7 @@ struct PropertiesOpt {
 
 /// Entry point for `displayz`.
 fn main() -> Result<()> {
-    let _ = color_eyre::install()?;
+    color_eyre::install()?;
 
     let opts = Opts::from_args();
 
@@ -102,10 +102,8 @@ fn main() -> Result<()> {
         log::LevelFilter::Info
     };
 
-    let _ = env_logger::Builder::from_env(
-        env_logger::Env::default().default_filter_or(log_level.as_str()),
-    )
-    .init();
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or(log_level.as_str()))
+        .init();
 
     log::debug!("Parsed Opts:\n{:#?}", opts);