...

example/src/main.nub

@@ -1,19 +1,30 @@
 // c
 extern func puts(text: cstring)
 
-struct Human {
+interface Printable
+{
+    func print()
+}
+
+struct Human : Printable
+{
     name: cstring
     age: u32
+
+    func print()
+    {
+        puts(this.name)
+    }
 }
 
 func main(args: []cstring): i64
 {
-    let x: Human = struct {
+    let x: Printable = struct Human {
         name = "Oliver"
         age = 23
     } 
 
-    puts(x.name)
+    x.print()
 
     return 0
 }