rust/tests/ui/coherence/coherence-blanket-conflicts...

26 lines
494 B
Rust

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 implement them at all).
trait MyTrait {
fn get(&self) -> usize;
}
trait Even {}
trait Odd {}
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() { }