[rustc.git] / src / test / ui / specialization / min_specialization / repeating_param.rs

// Test that specializing on two type parameters being equal is not allowed.

#![feature(min_specialization)]

trait X {
    fn f();
}

impl<T> X for T {
    default fn f() {}
}
impl<T> X for (T, T) {
    //~^ ERROR specializing impl repeats parameter `T`
    fn f() {}
}

fn main() {}
Commit	Line	Data
ba9703b0 XL	1	// Test that specializing on two type parameters being equal is not allowed.
	2
	3	#![feature(min_specialization)]
	4
	5	trait X {
	6	fn f();
	7	}
	8
	9	impl<T> X for T {
	10	default fn f() {}
	11	}
	12	impl<T> X for (T, T) {
	13	//~^ ERROR specializing impl repeats parameter `T`
	14	fn f() {}
	15	}
	16
	17	fn main() {}