lol

lol.rb

class Foo < ActiveRecord::Base
  has_one :bar
end

class Bar < ActiveRecord::Base
  belongs_to :foo
  
  def something?
    # lol
  end
end


foo = Foo.new

# I only care about what Foo's Bar#something returns if the associated Bar exists
if foo.bar.try(:something?)
  puts "get a haircut"
end

# Alternatively
if foo.bar && foo.bar.something?
  puts "or not"
end

# kthx.