Use Array#fetch

cookpad · Mar 31, 2016 · 1ef0ce1 · 1ef0ce1
1 parent af12190
commit 1ef0ce1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/miam/driver.rb b/lib/miam/driver.rb
@@ -457,7 +457,7 @@ def unless_dry_run
 
   def account_id
     # https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html
-    @account_id ||= @iam.get_user.user.arn.split(':')[4]
+    @account_id ||= @iam.get_user.user.arn.split(':').fetch(4)
   end
 
   def policy_arn(policy_name)