Expresses work

src/tests.ts

@@ -1,4 +1,4 @@
-import { trait } from "."
+import { expresses, trait } from "."
 
 
 const PrintsHelloOnNew = trait()(Super =>
@@ -10,11 +10,17 @@ const PrintsHelloOnNew = trait()(Super =>
     }
 )
 
-const Identifiable = <ID>() =>
-    trait<{ id: ID }>()(Super =>
+const Identifiable = <ID>() => (
+    trait<{ readonly id: ID }>()(Super =>
         class Identifiable extends Super {
             equals(el: Identifiable) {
                 return this.id === el.id
             }
         }
     )
+)
+
+
+const exp = expresses(Identifiable<bigint>())
+
+class User implements typeof exp.implements()