From 0686c81c573949dac9fdd65913b50f248a51a587 Mon Sep 17 00:00:00 2001
From: Sean McArthur <sean.monstar@gmail.com>
Date: Fri, 6 Jan 2017 12:41:08 -0800
Subject: [PATCH] refactor(error): turn Void from an empty enum to a struct

---
 src/error.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 463a6f94..ed107d94 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -55,11 +55,11 @@ pub enum Error {
 }
 
 #[doc(hidden)]
-pub enum Void {}
+pub struct Void(());
 
 impl fmt::Debug for Void {
     fn fmt(&self, _: &mut fmt::Formatter) -> fmt::Result {
-        match *self {}
+        unreachable!()
     }
 }
 
@@ -87,7 +87,7 @@ impl StdError for Error {
             Uri(ref e) => e.description(),
             Io(ref e) => e.description(),
             Utf8(ref e) => e.description(),
-            Error::__Nonexhaustive(ref void) =>  match *void {}
+            Error::__Nonexhaustive(..) =>  unreachable!(),
         }
     }
 
@@ -96,7 +96,7 @@ impl StdError for Error {
             Io(ref error) => Some(error),
             Uri(ref error) => Some(error),
             Utf8(ref error) => Some(error),
-            Error::__Nonexhaustive(ref void) =>  match *void {},
+            Error::__Nonexhaustive(..) =>  unreachable!(),
             _ => None,
         }
     }