Pass &:to_f as an argument to collect instead of a block

Gemfile.lock

@@ -30,6 +30,8 @@ GEM
     addressable (2.3.6)
     arel (5.0.1.20140414130214)
     ast (2.0.0)
+    astrolabe (1.3.0)
+      parser (>= 2.2.0.pre.3, < 3.0)
     bcrypt (3.1.7)
     builder (3.2.2)
     coderay (1.1.0)
@@ -147,7 +149,8 @@ GEM
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    rubocop (0.25.0)
+    rubocop (0.26.0)
+      astrolabe (~> 1.3)
       parser (>= 2.2.0.pre.4, < 3.0)
       powerpack (~> 0.0.6)
       rainbow (>= 1.99.1, < 3.0)

app/models/address.rb

@@ -2,6 +2,6 @@ class Address
   include Geokit::Geocoders
 
   def self.geocode(address)
-    MultiGeocoder.geocode(address).ll.split(',').collect { |s| s.to_f }
+    MultiGeocoder.geocode(address).ll.split(',').collect(&:to_f)
   end
 end