amiel · November 10, 2011 19:27
diff --git a/1_instead_of.rb b/1_instead_of.rb
 # Instead of this
 after_create :advance_plan
 def advance_plan
  plan.advance if plan
 end
diff --git a/2_or.rb b/2_or.rb
 # Or this
 after_create :advance_plan
 def advance_plan
  plan.try :advance
 end
diff --git a/3_try_this.rb b/3_try_this.rb
 # Try this, be assertive
 after_create :advance_plan, :if => :plan
 def advance_plan
  plan.advance
 end
	# Try this, be assertive
	after_create :advance_plan, :if => :plan
	def advance_plan
	plan.advance
	end