Added support for 'dirty' forall statements.

One can now write forall statements without bodies
(but with ensures clauses) as follows:

forall s | s in S ensures s < 0;

where S is set<int>.

The ensures clauses are assumed but not checked.

1 files changed, 6 insertions, 0 deletions

diff --git a/Test/dafny0/DirtyLoops.dfy b/Test/dafny0/DirtyLoops.dfy
new file mode 100644
index 00000000..6a49e733
--- /dev/null
+++ b/Test/dafny0/DirtyLoops.dfy
@@ -0,0 +1,6 @@
+// RUN: %dafny /compile:0 /dprint:"%t.dprint.dfy" "%s" > "%t"; %dafny /noVerify /compile:0 "%t.dprint.dfy" >> "%t"

+// RUN: %diff "%s.expect" "%t"

+

+method M(S: set<int>) {

+  forall s | s in S ensures s < 0;

+}