From 4ff360669f248af31d7bcc8b9c995f90c4e56f93 Mon Sep 17 00:00:00 2001
From: ufuji1984 <ufuji1984@gmail.com>
Date: Wed, 12 Dec 2018 05:55:11 +0900
Subject: [PATCH] add quotes around filename

and make it more concise by using map_err
---
 src/inputfile.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/inputfile.rs b/src/inputfile.rs
index 2555656f..eae9c713 100644
--- a/src/inputfile.rs
+++ b/src/inputfile.rs
@@ -59,10 +59,7 @@ impl<'a> InputFile<'a> {
         match self {
             InputFile::StdIn => Ok(InputFileReader::new(stdin.lock())),
             InputFile::Ordinary(filename) => {
-                let file = match File::open(filename) {
-                    Ok(f) => f,
-                    Err(e) => return Err(format!("{}: {}", filename, e).into()),
-                };
+                let file = File::open(filename).map_err(|e| format!("'{}': {}", filename, e))?;
 
                 if file.metadata()?.is_dir() {
                     return Err(format!("'{}' is a directory.", filename).into());