src/test/compile-fail/liveness-assign-imm-local-with-init.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 // revisions: ast mir
  12 //[mir]compile-flags: -Zborrowck=mir
  13
  14 fn test() {
  15     let v: isize = 1; //[ast]~ NOTE first assignment
  16                       //[mir]~^ NOTE first assignment
  17     v.clone();
  18     v = 2; //[ast]~ ERROR cannot assign twice to immutable variable
  19            //[mir]~^ ERROR cannot assign twice to immutable variable `v`
  20            //[ast]~| NOTE cannot assign twice to immutable
  21            //[mir]~| NOTE cannot assign twice to immutable
  22     v.clone();
  23 }
  24
  25 fn main() {
  26 }