From 34d642f7094c43477872aea4665eb7f0b9e1c27d Mon Sep 17 00:00:00 2001
From: Andreas Fackler <AndreasFackler@gmx.de>
Date: Tue, 19 Jun 2018 12:27:59 +0200
Subject: [PATCH] Improve Hash impl for Ciphertext.

This formulation makes it harder to forget updating the `Hash`
implementation if the `Ciphertext` type changes.
---
 mod.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/mod.rs b/mod.rs
index 2827de0..cdab4c3 100644
--- a/mod.rs
+++ b/mod.rs
@@ -175,9 +175,10 @@ impl<E: Engine> PartialEq for Ciphertext<E> {
 
 impl<E: Engine> Hash for Ciphertext<E> {
     fn hash<H: Hasher>(&self, state: &mut H) {
-        self.0.into_affine().into_compressed().as_ref().hash(state);
-        self.1.hash(state);
-        self.2.into_affine().into_compressed().as_ref().hash(state);
+        let Ciphertext(ref u, ref v, ref w) = *self;
+        u.into_affine().into_compressed().as_ref().hash(state);
+        v.hash(state);
+        w.into_affine().into_compressed().as_ref().hash(state);
     }
 }