| // 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. |
| |
| // This test checks that the `_` type placeholder works |
| // correctly for enabling type inference. |
| |
| static CONSTEXPR: *int = &'static 413 as *_; |
| |
| pub fn main() { |
| let x: Vec<_> = range(0u, 5).collect(); |
| assert_eq!(x.as_slice(), &[0u,1,2,3,4]); |
| |
| let x = range(0u, 5).collect::<Vec<_>>(); |
| assert_eq!(x.as_slice(), &[0u,1,2,3,4]); |
| |
| let y: _ = "hello"; |
| assert_eq!(y.len(), 5); |
| |
| let ptr = &5u; |
| let ptr2 = ptr as *_; |
| |
| assert_eq!(ptr as *uint as uint, ptr2 as uint); |
| } |