typestate is not planned for upcoming versions of rust....

src/test/run-pass/tstate-loop-break.rs

@@ -1,27 +0,0 @@
-// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// xfail-test
-
-fn is_even(i: int) -> bool { (i%2) == 0 }
-fn even(i: int) : is_even(i) -> int { i }
-
-fn test() {
-    let v = 4;
-    loop {
-        check is_even(v);
-        break;
-    }
-    even(v);
-}
-
-pub fn main() {
-    test();
-}