From edf6a11be601918ae1374124407ea244a35e2824 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Sat, 19 Dec 2020 20:40:29 +0100
Subject: [PATCH] Simplify creation of `merged_headers`.

---
 Library/Homebrew/livecheck/strategy/header_match.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Library/Homebrew/livecheck/strategy/header_match.rb b/Library/Homebrew/livecheck/strategy/header_match.rb
index bd0406089d..1971709a9e 100644
--- a/Library/Homebrew/livecheck/strategy/header_match.rb
+++ b/Library/Homebrew/livecheck/strategy/header_match.rb
@@ -37,8 +37,7 @@ module Homebrew
           headers = Strategy.page_headers(url)
 
           # Merge the headers from all responses into one hash
-          merged_headers = {}
-          headers.each { |resp_headers| merged_headers.merge!(resp_headers) }
+          merged_headers = headers.reduce(&:merge)
 
           if block
             match = block.call(merged_headers)