Replace dummy error handling with expects

src/library/mod.rs

@@ -1,6 +1,6 @@
 //! Module for interacting with the music library.
 
-use std::{fmt, num::ParseIntError, str::Utf8Error};
+use std::{num::ParseIntError, str::Utf8Error};
 
 use crate::Artist;
 
@@ -128,12 +128,6 @@ impl From<Utf8Error> for Error {
     }
 }
 
-impl fmt::Display for Error {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{self:#?}")
-    }
-}
-
 /// Trait for interacting with the music library.
 pub trait Library {
     /// List lirbary items that match the a specific query.

src/main.rs

@@ -1,4 +1,4 @@
-use std::{path::PathBuf, process::exit};
+use std::path::PathBuf;
 
 use structopt::StructOpt;
 
@@ -40,18 +40,13 @@ fn main() {
         SystemExecutor::default().config(opt.beets_config_file_path.as_deref()),
     ));
 
-    let collection = match beets.list(&Query::new()) {
-        Ok(collection) => collection,
-        Err(e) => {
-            println!("{e}");
-            exit(1)
-        }
-    };
+    let collection = beets
+        .list(&Query::new())
+        .expect("failed to query the library");
 
     let mut database = DatabaseJson::new(Box::new(DatabaseJsonFile::new(&opt.database_file_path)));
 
-    if let Err(e) = database.write(&collection) {
-        println!("{e}");
-        exit(1)
-    }
+    database
+        .write(&collection)
+        .expect("failed to write to the database");
 }