rust/tests/ui/coherence/coherence-blanket-conflicts-with-blanket-implemented.rs

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

31 lines
524 B
Rust
Raw Normal View History

use std::fmt::Debug;
use std::default::Default;
// Test that two blanket impls conflict (at least without negative
// bounds). After all, some other crate could implement Even or Odd
// for the same type (though this crate doesn't).
trait MyTrait {
fn get(&self) -> usize;
}
2015-04-18 00:12:20 -05:00
trait Even { }
2015-04-18 00:12:20 -05:00
trait Odd { }
impl Even for isize { }
impl Odd for usize { }
impl<T:Even> MyTrait for T {
fn get(&self) -> usize { 0 }
}
impl<T:Odd> MyTrait for T {
//~^ ERROR E0119
fn get(&self) -> usize { 0 }
}
fn main() { }