June 2018 Update

Task/Balanced-brackets/Elena/balanced-brackets.elena

@@ -1,21 +1,22 @@
 import system'routines.
 import extensions.
+import extensions'text.
 
 randomBrackets =
 {
     new : aLength
     [
         if (0 == aLength)
-            [ ^emptyLiteralValue ];
+            [ ^emptyLiteral ];
             [
                 var aBrackets :=
-                    Array new length:(aLength int); populate(:i)($91)
+                    Array new(aLength); populate(:i)($91)
                     +
-                    Array new length:(aLength int); populate(:i)($93).
+                    Array new(aLength); populate(:i)($93).
 
                 aBrackets := aBrackets randomize:(aLength * 2).
 
-                ^ aBrackets summarize:(String new); literal
+                ^ aBrackets summarize:(StringWriter new); toLiteral
             ]
     ]
 }.
@@ -32,7 +33,7 @@ extension op
     ]
 }
 
-program =
+public program =
 [
     0 to:9 do(:aLength)
     [