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-rw-r--r--Test/VSComp2010/Problem5-DoubleEndedQueue.dfy18
1 files changed, 6 insertions, 12 deletions
diff --git a/Test/VSComp2010/Problem5-DoubleEndedQueue.dfy b/Test/VSComp2010/Problem5-DoubleEndedQueue.dfy
index fdda243c..cf109c1a 100644
--- a/Test/VSComp2010/Problem5-DoubleEndedQueue.dfy
+++ b/Test/VSComp2010/Problem5-DoubleEndedQueue.dfy
@@ -30,12 +30,10 @@ class AmortizedQueue<T> {
modifies this;
ensures Valid() && List == [];
{
- var tmp := new LinkedList<T>;
+ var tmp := new LinkedList<T>.Init();
front := tmp;
- call front.Init();
- tmp := new LinkedList<T>;
+ tmp := new LinkedList<T>.Init();
rear := tmp;
- call rear.Init();
Repr := {this};
Repr := Repr + front.Repr + rear.Repr;
List := [];
@@ -54,8 +52,7 @@ class AmortizedQueue<T> {
call ff := f.Concat(rr);
front := ff;
- var tmp := new LinkedList<T>;
- call tmp.Init();
+ var tmp := new LinkedList<T>.Init();
rear := tmp;
}
Repr := {this};
@@ -74,8 +71,7 @@ class AmortizedQueue<T> {
requires Valid() && List != [];
ensures r != null && r.Valid() && r.List == List[1..];
{
- r := new AmortizedQueue<T>;
- call r.InitFromPieces(front.tail, rear);
+ r := new AmortizedQueue<T>.InitFromPieces(front.tail, rear);
}
method Enqueue(item: T) returns (r: AmortizedQueue<T>)
@@ -83,8 +79,7 @@ class AmortizedQueue<T> {
ensures r != null && r.Valid() && r.List == List + [item];
{
call rr := rear.Cons(item);
- var tmp := new AmortizedQueue<T>;
- call tmp.InitFromPieces(front, rr);
+ var tmp := new AmortizedQueue<T>.InitFromPieces(front, rr);
r := tmp;
}
}
@@ -158,8 +153,7 @@ class LinkedList<T> {
r := this;
} else {
call r := tail.Reverse();
- var e := new LinkedList<T>;
- call e.Init();
+ var e := new LinkedList<T>.Init();
call e := e.Cons(head);
call r := r.Concat(e);
}