Use question mark

Author: camsteffen

src/formatting.rs

@@ -91,9 +91,7 @@ fn should_skip_module<T: FormatHandler>(
 }
 
 fn echo_back_stdin(input: &str) -> Result<FormatReport, ErrorKind> {
-    if let Err(e) = io::stdout().write_all(input.as_bytes()) {
-        return Err(From::from(e));
-    }
+    io::stdout().write_all(input.as_bytes())?;
     Ok(FormatReport::new())
 }
 

src/test/mod.rs

@@ -751,7 +751,8 @@ fn idempotent_check(
 
     let target = sig_comments.get("target").map(|x| &(*x)[..]);
 
-    handle_result(write_result, target).map(|_| format_report)
+    handle_result(write_result, target)?;
+    Ok(format_report)
 }
 
 // Reads test config file using the supplied (optional) file name. If there's no file name or the