src/test/compile-fail/issue-3021-d.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 trait siphash {
  12     fn result(&self) -> u64;
  13     fn reset(&self);
  14 }
  15
  16 fn siphash(k0 : u64, k1 : u64) {
  17     struct SipState {
  18         v0: u64,
  19         v1: u64,
  20     }
  21
  22     fn mk_result(st : &SipState) -> u64 {
  23
  24         let v0 = st.v0;
  25         let v1 = st.v1;
  26         return v0 ^ v1;
  27     }
  28
  29    impl siphash for SipState {
  30         fn reset(&self) {
  31             self.v0 = k0 ^ 0x736f6d6570736575; //~ ERROR can't capture dynamic environment
  32             self.v1 = k1 ^ 0x646f72616e646f6d; //~ ERROR can't capture dynamic environment
  33         }
  34         fn result(&self) -> u64 { return mk_result(self); }
  35     }
  36 }
  37
  38 fn main() {}