Add higher-order-functions and some other goodies

  * The reads clause now needs to be self framing.

  * The requires clause now needs to be framed by the reads clause.

  * There are one-shot lambdas, with a single arrow, but they will probably be
    removed.

  * There is a {:heapQuantifier} attribute to quantifiers, but they will
    probably be removed.

  * Add smart handling of type variables

  * Add < and > for datatype & type parameter

1 files changed, 15 insertions, 0 deletions

diff --git a/Test/hofs/MutableField.dfy b/Test/hofs/MutableField.dfy
new file mode 100644
index 00000000..fa0a1f50
--- /dev/null
+++ b/Test/hofs/MutableField.dfy
@@ -0,0 +1,15 @@
+// RUN: %dafny /compile:0 /print:"%t.print" "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+
+class C {
+  function method f(x : int) : int { x }
+
+  var g : int -> int;
+
+  method M() modifies this;
+  {
+    f := g; // not ok
+  }
+}
+