From 5bf652ecddff309934184f781059f677c7ff3a6f Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Mon, 6 May 2013 16:52:26 -0500
Subject: [PATCH] Avoid extra array allocations

---
 Library/Homebrew/options.rb | 15 +++++++++------
 Library/Homebrew/version.rb |  2 +-
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/Library/Homebrew/options.rb b/Library/Homebrew/options.rb
index a57dafb852..7bfbb6a8ce 100644
--- a/Library/Homebrew/options.rb
+++ b/Library/Homebrew/options.rb
@@ -106,13 +106,16 @@ class Options
     when self then arg
     when Option then new << arg
     when Array
-      opts = arg.map do |_arg|
-        case _arg
-        when /^-[^-]+$/ then _arg[1..-1].split(//)
-        else _arg
+      opts = new
+      arg.each do |a|
+        case a
+        when /^-[^-]+$/
+          a[1..-1].split(//).each { |o| opts << Option.new(o) }
+        else
+          opts << Option.new(a)
         end
-      end.flatten
-      new(opts.map { |o| Option.new(o) })
+      end
+      opts
     else
       raise TypeError, "Cannot convert #{arg.inspect} to Options"
     end
diff --git a/Library/Homebrew/version.rb b/Library/Homebrew/version.rb
index 01e87c5d64..9669c2af3f 100644
--- a/Library/Homebrew/version.rb
+++ b/Library/Homebrew/version.rb
@@ -97,7 +97,7 @@ class Version
   protected
 
   def to_a
-    @array ||= @version.scan(/\d+|[a-zA-Z]+/).map { |e| VersionElement.new(e) }
+    @array ||= @version.scan(/\d+|[a-zA-Z]+/).map! { |e| VersionElement.new(e) }
   end
 
   def self.parse spec