fix some pedantic lints

src/args.rs

@@ -25,6 +25,7 @@ fn get_arg_parser() -> Command<'static> {
     result
 }
 
-pub fn get_args() -> clap::ArgMatches {
+#[must_use]
+pub fn get() -> clap::ArgMatches {
     get_arg_parser().get_matches()
 }

src/core.rs

@@ -15,6 +15,7 @@ pub struct Pacdef {
 }
 
 impl Pacdef {
+    #[must_use]
     pub fn new(args: ArgMatches, groups: HashSet<Group>) -> Self {
         Self { args, groups }
     }
@@ -62,7 +63,7 @@ impl Pacdef {
             return;
         };
 
-        to_install.install_missing_packages()
+        to_install.install_missing_packages();
     }
 
     fn edit_group_files(&self, groups: &ArgMatches) -> Result<()> {
@@ -95,7 +96,7 @@ impl Pacdef {
     }
 
     fn show_version(self) {
-        println!("pacdef, version: {}", env!("CARGO_PKG_VERSION"))
+        println!("pacdef, version: {}", env!("CARGO_PKG_VERSION"));
     }
 
     fn show_unmanaged_packages(self) {
@@ -147,7 +148,7 @@ impl Pacdef {
 
             println!("  {}", backend.get_section());
             for package in packages {
-                println!("    {}", package);
+                println!("    {package}");
             }
         }
 

src/group.rs

@@ -23,7 +23,7 @@ impl Group {
             let path = file.path();
 
             let group =
-                Group::try_from(&path).with_context(|| format!("reading group file {:?}", path))?;
+                Group::try_from(&path).with_context(|| format!("reading group file {path:?}"))?;
             result.insert(group);
         }
 

src/main.rs

@@ -3,7 +3,7 @@ use anyhow::{Context, Result};
 use pacdef::{args, Group, Pacdef};
 
 fn main() -> Result<()> {
-    let args = args::get_args();
+    let args = args::get();
     let groups = Group::load_from_dir()?;
     let pacdef = Pacdef::new(args, groups);
     pacdef.run_action_from_arg().context("running action")