| // Copyright 2012-2015 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. |
| |
| #[derive(Debug, Eq, PartialEq, Copy, Clone)] |
| pub struct Disr(pub u64); |
| |
| impl Disr { |
| pub fn wrapping_add(self, other: Self) -> Self { |
| Disr(self.0.wrapping_add(other.0)) |
| } |
| } |
| |
| impl ::std::ops::BitAnd for Disr { |
| type Output = Disr; |
| fn bitand(self, other: Self) -> Self { |
| Disr(self.0 & other.0) |
| } |
| } |
| |
| impl From<::middle::ty::Disr> for Disr { |
| fn from(i: ::middle::ty::Disr) -> Disr { |
| Disr(i) |
| } |
| } |
| |
| impl From<usize> for Disr { |
| fn from(i: usize) -> Disr { |
| Disr(i as u64) |
| } |
| } |
| |
| impl PartialOrd for Disr { |
| fn partial_cmp(&self, other: &Disr) -> Option<::std::cmp::Ordering> { |
| self.0.partial_cmp(&other.0) |
| } |
| } |
| |
| impl Ord for Disr { |
| fn cmp(&self, other: &Disr) -> ::std::cmp::Ordering { |
| self.0.cmp(&other.0) |
| } |
| } |