simplify error handlingHEADmain

Sponsored-by: author

1 files changed, 13 insertions, 16 deletions

diff --git a/src/main.rs b/src/main.rs
index d21e67a..9599522 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,42 +3,39 @@ use clap::Parser;
 use std::time::Instant;
 
 fn main() {
+    if let Err(err) = run() {
+        eprintln!("ERROR: {}", err);
+        std::process::exit(1);
+    }
+}
+
+fn run() -> Result<(), std::io::Error> {
     let args = Args::parse();
 
     println!("linear");
     let started = Instant::now();
-    if let Err(e) = linear::checksums(&args.filenames) {
-        eprintln!("ERROR: {e}");
-        std::process::exit(1);
-    }
+    linear::checksums(&args.filenames)?;
     println!("{} ms", started.elapsed().as_millis());
     println!();
 
     println!("linear iterator");
     let started = Instant::now();
-    if let Err(e) = lineariter::checksums(&args.filenames) {
-        eprintln!("ERROR: {e}");
-        std::process::exit(1);
-    }
+    lineariter::checksums(&args.filenames)?;
     println!("{} ms", started.elapsed().as_millis());
     println!();
 
     println!("rayon");
     let started = Instant::now();
-    if let Err(e) = rayon::checksums(&args.filenames) {
-        eprintln!("ERROR: {e}");
-        std::process::exit(1);
-    }
+    rayon::checksums(&args.filenames)?;
     println!("{} ms", started.elapsed().as_millis());
     println!();
 
     println!("threads");
     let started = Instant::now();
-    if let Err(e) = threads::checksums(&args.filenames) {
-        eprintln!("ERROR: {e}");
-        std::process::exit(1);
-    }
+    threads::checksums(&args.filenames)?;
     println!("{} ms", started.elapsed().as_millis());
+
+    Ok(())
 }
 
 mod linear {