src/test/compile-fail/const-array-oob.rs

   1 // Copyright 2015 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 // ignore-tidy-linelength
  12
  13 #![feature(const_indexing)]
  14
  15 const FOO: [u32; 3] = [1, 2, 3];
  16 const BAR: u32 = FOO[5]; // no error, because the error below occurs before regular const eval
  17
  18 const BLUB: [u32; FOO[4]] = [5, 6];
  19 //~^ ERROR constant evaluation error [E0080]
  20 //~| index out of bounds: the len is 3 but the index is 4
  21
  22 fn main() {
  23     let _ = BAR;
  24 }