From 3058af4f05edb6dd1885cd0bae6e3b536b0e0612 Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Sun, 19 Jul 2015 17:11:22 -0700
Subject: [PATCH] Break on ctrl-D

---
 src/main.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 90f36c4..47e1efc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,6 +38,9 @@ fn repl() {
         let line = stdin.lock().read_line(&mut buf);
         match line {
             Ok(_) => {
+                if buf.is_empty() {
+                    break;
+                }
                 let tokens = tokenize(&buf);
                 buf.clear();
                 println!("Tokens: {:?}", tokens);