From a493702c791db8b85fe23e81bab7c992ca3f1f04 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kornel=20Lesin=CC=81ski?= <kornel@geekhood.net>
Date: Mon, 19 Nov 2018 22:38:20 +0000
Subject: [PATCH] Fixed alpha benchmark

---
 benches/reductions.rs | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/benches/reductions.rs b/benches/reductions.rs
index 1ce5d512..27aa1e77 100644
--- a/benches/reductions.rs
+++ b/benches/reductions.rs
@@ -261,8 +261,7 @@ fn reductions_alpha_black(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::Black);
+        png.reduced_alpha_channel(AlphaOptim::Black)
     });
 }
 
@@ -272,8 +271,7 @@ fn reductions_alpha_white(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::White);
+        png.reduced_alpha_channel(AlphaOptim::White)
     });
 }
 
@@ -283,8 +281,7 @@ fn reductions_alpha_left(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::Left);
+        png.reduced_alpha_channel(AlphaOptim::Left)
     });
 }
 
@@ -294,8 +291,7 @@ fn reductions_alpha_right(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::Right);
+        png.reduced_alpha_channel(AlphaOptim::Right)
     });
 }
 
@@ -305,8 +301,7 @@ fn reductions_alpha_up(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::Up);
+        png.reduced_alpha_channel(AlphaOptim::Up)
     });
 }
 
@@ -316,7 +311,6 @@ fn reductions_alpha_down(b: &mut Bencher) {
     let png = PngData::new(&input, false).unwrap();
 
     b.iter(|| {
-        let mut safe_png = png.clone();
-        safe_png.reduce_alpha_channel(AlphaOptim::Down);
+        png.reduced_alpha_channel(AlphaOptim::Down)
     });
 }