Added static checks for properties in traits; more tests for 'abstract'

2011-09-12 16:01:48 +04:00
parent 60ab760d4a
commit 4071d67c41
7 changed files with 347 additions and 108 deletions
@@ -39,7 +39,7 @@ class StrangeIterateeImpl<in I, out O>(val obj: O) : Iteratee<I, O> {
    override fun process(item: I): Iteratee<I, O> = StrangeIterateeImpl<I, O>(obj)
    override val isDone = true
    override val result = obj
-    override val done = obj
+    override fun done() = obj
 }

 abstract class Sum() : Iteratee<Int, Int> {
@@ -51,7 +51,7 @@ abstract class Sum() : Iteratee<Int, Int> {
  abstract override fun done() : Int
 }

-class Collection<E> : Iterable<E> {
+abstract class Collection<E> : Iterable<E> {
  fun iterate<O>(iteratee : Iteratee<E, O>) : O {
      for (x in this) {
        val it = iteratee.process(x)