src/test/compile-fail/associated-const-array-len.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
  12 trait Foo {
  13     const ID: usize;
  14 }
  15
  16 const X: [i32; <i32 as Foo>::ID] = [0, 1, 2];
  17 //~^ ERROR the trait bound `i32: Foo` is not satisfied
  18
  19 fn main() {
  20     assert_eq!(1, X);
  21 }