From f0906d4b7601d08e3635883997a32982abb5f124 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Thu, 19 Jul 2018 22:04:18 +0300
Subject: Change: use a String to buffer the chars

---
 src/main.rs | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index b0d0d03..d12332c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,17 +25,15 @@ fn print_words(reader: &mut io::BufReader<File>) -> io::Result<()> {
 
 
 fn print_words_in_line(line: &str) {
-    let mut was_in_word = false;
+    let mut word = String::new();
     for c in line.chars() {
-        let letter = c.is_alphabetic();
-        if letter {
-            was_in_word = true;
-            print!("{}", c);
+        if c.is_alphabetic() {
+            word.push(c);
         } else {
-            if was_in_word {
-                println!("");
+            if !word.is_empty() {
+                println!("{}", word);
             }
-            was_in_word = false;
+            word.clear();
         }
     }
 }
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