From 0d4f241d481ee5bc356366c7a1383541338d3365 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Tue, 17 Mar 2015 21:37:03 -0400
Subject: [PATCH] Remove explicit type check

---
 Library/Homebrew/version.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/version.rb b/Library/Homebrew/version.rb
index bfeaf1f413..85ff09ab1f 100644
--- a/Library/Homebrew/version.rb
+++ b/Library/Homebrew/version.rb
@@ -17,6 +17,10 @@ class Version
     def to_s
       value.to_s
     end
+
+    def numeric?
+      false
+    end
   end
 
   class NullToken < Token
@@ -76,6 +80,10 @@ class Version
         -Integer(other <=> self)
       end
     end
+
+    def numeric?
+      true
+    end
   end
 
   class CompositeToken < StringToken
@@ -208,12 +216,12 @@ class Version
   protected
 
   def begins_with_numeric?
-    NumericToken === tokens.first
+    tokens.first.numeric?
   end
 
   def pad_to(length)
     if begins_with_numeric?
-      nums, rest = tokens.partition { |t| NumericToken === t }
+      nums, rest = tokens.partition(&:numeric?)
       nums.fill(NULL_TOKEN, nums.length, length - tokens.length)
       nums.concat(rest)
     else