| // Copyright 2018 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. |
| |
| #![feature(const_int_sign)] |
| |
| const NEGATIVE_A: bool = (-10i32).is_negative(); |
| const NEGATIVE_B: bool = 10i32.is_negative(); |
| const POSITIVE_A: bool= (-10i32).is_positive(); |
| const POSITIVE_B: bool= 10i32.is_positive(); |
| |
| fn main() { |
| assert!(NEGATIVE_A); |
| assert!(!NEGATIVE_B); |
| assert!(!POSITIVE_A); |
| assert!(POSITIVE_B); |
| } |
