src/test/ui/reachable/expr_array.rs

   1 // Copyright 2016 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 #![allow(unused_variables)]
  12 #![allow(unused_assignments)]
  13 #![allow(dead_code)]
  14 #![deny(unreachable_code)]
  15 #![feature(never_type)]
  16 #![feature(type_ascription)]
  17
  18 fn a() {
  19     // the `22` is unreachable:
  20     let x: [usize; 2] = [return, 22];
  21 }
  22
  23 fn b() {
  24     // the `array is unreachable:
  25     let x: [usize; 2] = [22, return];
  26 }
  27
  28 fn main() { }