| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Make sure that indexing an array is only valid with a `usize`, not any other |
| // integral type. |
| |
| fn main() { |
| fn bar<T>(_: T) {} |
| [0][0u8]; //~ ERROR: the trait bound `u8: std::slice::SliceIndex<[{integer}]>` is not satisfied |
| |
| [0][0]; // should infer to be a usize |
| |
| let i = 0; // i is an IntVar |
| [0][i]; // i should be locked to usize |
| bar::<isize>(i); // i should not be re-coerced back to an isize |
| //~^ ERROR: mismatched types |
| } |
