From e21c6904d6abd95071ef854012c1979cff3e0d13 Mon Sep 17 00:00:00 2001
From: mitaa <mitaa.ceb@gmail.com>
Date: Sat, 5 Mar 2016 19:28:04 +0100
Subject: [PATCH] Update util.rs

---
 src/util.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/util.rs b/src/util.rs
index dd16ff1..6274a46 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -5,8 +5,8 @@
 //! Pippin utility functions
 
 use std::cmp;
-use std::str::from_utf8;
 use std::fmt;
+use std::fmt::Write;
 
 /// "trim" applied to generic arrays: while the last byte is pat, remove it.
 ///  
@@ -47,9 +47,7 @@ impl<'a> fmt::Display for ByteFormatter<'a> {
             } else if *b == b'\'' {
                 try!(write!(f, "\\\'"));
             } else if *b >= b' ' && *b <= b'~' {
-                // #0030: this is a horrible way to write a char!
-                let v = vec![*b];
-                try!(write!(f, "{}", from_utf8(&v).unwrap()));
+                try!(f.write_char(*b as char));
             } else {
                 try!(write!(f, "\\x{:02x}", b));
             }