Merge pull request #840 from amatsuda/untry

try => &.

Author: amatsuda

app/serializers/program_session_serializer.rb

@@ -3,14 +3,14 @@ class ProgramSessionSerializer < ActiveModel::Serializer
   has_many :speakers
 
   def tags
-    object.proposal.try(:review_tags)
+    object.proposal&.review_tags
   end
 
   def format
-    object.session_format.try(:name)
+    object.session_format&.name
   end
 
   def track
-    object.track.try(:name)
+    object.track&.name
   end
 end

app/serializers/time_slot_serializer.rb

@@ -3,11 +3,11 @@ class TimeSlotSerializer < ActiveModel::Serializer
     :room, :track, :description
 
   def start_time
-    object.start_time.try(:to_fs, :time)
+    object.start_time&.to_fs(:time)
   end
 
   def end_time
-    object.end_time.try(:to_fs, :time)
+    object.end_time&.to_fs(:time)
   end
 
   def room