update example

keygen-sh · Aug 15, 2024 · 57e10af · 57e10af
1 parent 6ffbe5f
commit 57e10af
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -54,12 +54,26 @@ class NullPlan
   def pro?  = false
   def ent?  = false
 end
+```
 
+```ruby
 class Account
   belongs_to :plan, optional: true, null_object: NullPlan.instance
 end
 ```
 
+```ruby
+account = Account.create
+
+puts account.plan
+# => #<NullPlan>
+
+account.update(plan: Plan.create)
+
+puts account.plan
+# => #<Plan id=1>
+```
+
 ## Supported Rubies
 
 **`null_association` supports Ruby 3.1 and above.** We encourage you to upgrade