Samples updated to latest syntax

examples/src/util/Comparison.jetl

@@ -2,15 +2,15 @@ type Comparison<in T> = {(T, T) : Int}
 
 fun naturalOrder<in T : IComparable<T>>(a : T, b : T) : Int = a.compareTo(b)
 
-fun castingNaturalOrder(a : Object, b : Object) : Int = a.as<Comparable<Object>>.compareTo(b.as<Comparable<Object>>)
+fun castingNaturalOrder(a : Object, b : Object) : Int = (a as Comparable<Object>).compareTo(b as Comparable<Object>)
 
 enum class ComparisonResult {
-  LS,EQ, GR
+  LS, EQ, GR
 }
 
 type MatchableComparison<in T> = {(T, T) : ComparisonResult}
 
-fun asMatchableComparison<T>(cmp : Comparison<T>) : MatchableComparison<T> = {a, b =>
+fun asMatchableComparison<T>(cmp : Comparison<T>) : MatchableComparison<T> = {(a, b) =>
   val res = cmp(a, b)
   if (res == 0) return ComparisonResult.EQ
   if (res < 0) return ComparisonResult.LS

examples/src/util/IComparable.jetl

@@ -1,3 +1,3 @@
-interface class IComparable<in T> {
+virtual class IComparable<in T> {
   fun compareTo(other : T) : Int
 }