volume.rb in fog-1.22.1

- old
+ new

@@ -1,9 +1,8 @@
 module Fog
   module Compute
     class Vsphere
-
       class Volume < Fog::Model
         DISK_SIZE_TO_GB = 1048576
         identity :id
 
         attribute :datastore
@@ -47,10 +46,10 @@
         def save
           raise Fog::Errors::Error.new('Resaving an existing object may create a duplicate') if persisted?
           requires :server_id, :size, :datastore
 
           if unit_number.nil?
-            used_unit_numbers = server.volumes.collect { |volume| volume.unit_number }
+            used_unit_numbers = server.volumes.map { |volume| volume.unit_number }
             max_unit_number = used_unit_numbers.max
 
             if max_unit_number > server.volumes.size
               # If the max ID exceeds the number of volumes, there must be a hole in the range. Find a hole and use it.
               self.unit_number = max_unit_number.times.to_a.find { |i| used_unit_numbers.exclude?(i) }