removed the option HCL_TRAIT_LANG_ENABLE_BLOCK, thus removing conditional codes for simplicity.

changed the compiler to require a block expression as the class body

src/kernel.hcl

@@ -1,7 +1,7 @@
 class Object {
 }
 
-class Collection: Object {
+class Collection : Object {
 }
 
 class IndexedCollection: Collection {
@@ -26,5 +26,22 @@ fun Collection:slice(index count) {
 
 
 
+class String: Array (a b c) {
+}
+
+class String: Array (
+	monaco
+	duncan
+	falcon
+	:deuce
+	:canival
+	:pebble
+	:godzilla
+) {
+	fun Collection:slice(index count) {
+		return (arr.slice self index count)
+	}
+}
+
 
 printf "string length %d\n" ("aaaa":length)