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use assoc types in binop traits

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This commit is contained in:
Jorge Aparicio 2014-12-31 15:45:13 -05:00
parent 7095dd0070
commit 99017f82b6
36 changed files with 375 additions and 156 deletions
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16
src/test/run-pass/trait-inheritance-overloading.rs
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@ -8,23 +8,31 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(associated_types)]
use std::cmp::PartialEq;
use std::ops::{Add, Sub, Mul};
trait MyNum : Add<Self,Self> + Sub<Self,Self> + Mul<Self,Self> + PartialEq + Clone { }
trait MyNum : Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + PartialEq + Clone { }
#[derive(Clone, Show)]
struct MyInt { val: int }
impl Add<MyInt, MyInt> for MyInt {
impl Add for MyInt {
type Output = MyInt;
fn add(self, other: MyInt) -> MyInt { mi(self.val + other.val) }
}
impl Sub<MyInt, MyInt> for MyInt {
impl Sub for MyInt {
type Output = MyInt;
fn sub(self, other: MyInt) -> MyInt { mi(self.val - other.val) }
}
impl Mul<MyInt, MyInt> for MyInt {
impl Mul for MyInt {
type Output = MyInt;
fn mul(self, other: MyInt) -> MyInt { mi(self.val * other.val) }
}