bjoernager/rust
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Implement trait inheritance for bounded type parameters

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This commit is contained in:
Brian Anderson 2012-11-28 12:34:30 -08:00
parent daa89e0861
commit 78ee821154
38 changed files with 1004 additions and 176 deletions
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32
src/test/auxiliary/trait_inheritance_overloading_xc.rs
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@ -1,9 +1,31 @@
pub trait MyNum : Add<self,self>, Sub<self,self>, Mul<self,self> {
use cmp::Eq;
pub trait MyNum : Add<self,self>, Sub<self,self>, Mul<self,self>, Eq {
}
pub impl int : MyNum {
pure fn add(other: &int) -> int { self + *other }
pure fn sub(&self, other: &int) -> int { *self - *other }
pure fn mul(&self, other: &int) -> int { *self * *other }
pub struct MyInt {
val: int
}
pub impl MyInt : Add<MyInt, MyInt> {
pure fn add(other: &MyInt) -> MyInt { mi(self.val + other.val) }
}
pub impl MyInt : Sub<MyInt, MyInt> {
pure fn sub(&self, other: &MyInt) -> MyInt { mi(self.val - other.val) }
}
pub impl MyInt : Mul<MyInt, MyInt> {
pure fn mul(&self, other: &MyInt) -> MyInt { mi(self.val * other.val) }
}
pub impl MyInt : Eq {
pure fn eq(&self, other: &MyInt) -> bool { self.val == other.val }
pure fn ne(&self, other: &MyInt) -> bool { !self.eq(other) }
}
pub impl MyInt : MyNum;
pure fn mi(v: int) -> MyInt { MyInt { val: v } }