From 5b40589bc05c866aabae80f4833d72e261c1ac8c Mon Sep 17 00:00:00 2001
From: Sean Bowe <ewillbefull@gmail.com>
Date: Mon, 28 Dec 2015 02:13:31 -0700
Subject: [PATCH] Made this more idiomatic

---
 src/keccak.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/keccak.rs b/src/keccak.rs
index 9b6e352..57b9b89 100644
--- a/src/keccak.rs
+++ b/src/keccak.rs
@@ -344,14 +344,17 @@ struct Byte {
 }
 
 impl Byte {
-    // TODO: change this name
     fn unwrap_constant(&self) -> u8 {
         let mut cur = 7;
         let mut acc = 0;
 
         for bit in &self.bits {
-            if let &Bit::Constant(1) = bit {
-                acc |= 0b00000001 << cur;
+            match bit {
+                &Bit::Constant(1) => {
+                    acc |= 0b00000001 << cur;
+                },
+                &Bit::Constant(0) => {},
+                _ => panic!("Tried to unwrap a constant from a non-constant")
             }
             cur -= 1;
         }