Add Set a class as an interface page.

tamdaz · Dec 22, 2024 · 55c6935 · 55c6935
1 parent 6a7f3fc
commit 55c6935
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/docs/get_started/3_set_a_class_as_an_interface.md b/docs/get_started/3_set_a_class_as_an_interface.md
@@ -0,0 +1,17 @@
+```crystal
+@[Cruml::Annotation::AsInterface]
+abstract class Person
+  abstract def full_name : String
+end
+
+class Employee < Person
+  getter first_name : String
+  getter last_name : String
+
+  def initialize(@first_name : String, @last_name : String); end
+
+  def full_name : String
+    "#{@first_name} #{@last_name}"
+  end
+end
+```