src/test/compile-fail/issue-39559-2.rs

   1 // Copyright 2017 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 Dim {
  12     fn dim() -> usize;
  13 }
  14
  15 enum Dim3 {}
  16
  17 impl Dim for Dim3 {
  18     fn dim() -> usize {
  19         3
  20     }
  21 }
  22
  23 fn main() {
  24     let array: [usize; Dim3::dim()]
  25     //~^ ERROR calls in constants are limited to constant functions
  26         = [0; Dim3::dim()];
  27         //~^ ERROR calls in constants are limited to constant functions
  28 }