From f2ddcda85b6770218d861b26948ddf734e0b0759 Mon Sep 17 00:00:00 2001
From: Maxim Belkin <maxim.belkin@gmail.com>
Date: Thu, 16 Jul 2020 13:53:32 +0000
Subject: [PATCH] Fix style (Convert if-elsif to case-when)

---
 Library/Homebrew/extend/os/linux/formula.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/extend/os/linux/formula.rb b/Library/Homebrew/extend/os/linux/formula.rb
index 54c5867b36e6a..12b28db2a0856 100644
--- a/Library/Homebrew/extend/os/linux/formula.rb
+++ b/Library/Homebrew/extend/os/linux/formula.rb
@@ -15,9 +15,10 @@ def allowed_missing_lib?(lib)
     #        Ex. 1: "libONE.so.1"
     #        Ex. 2: %r{(libONE|libTWO)\.so}
     self.class.allowed_missing_libraries.any? do |x|
-      if x.is_a? Regexp
+      case x
+      when Regexp
         x.match? lib
-      elsif x.is_a? String
+      when String
         lib.include? x
       end
     end