[rustc.git] / src / test / ui / hrtb / due-to-where-clause.rs

fn main() {
    test::<FooS>(&mut 42); //~ ERROR implementation of `Foo` is not general enough
}

trait Foo<'a> {}

struct FooS<'a> {
    data: &'a mut u32,
}

impl<'a, 'b: 'a> Foo<'b> for FooS<'a> {}

fn test<'a, F>(data: &'a mut u32) where F: for<'b> Foo<'b> {}
Commit	Line	Data
e1599b0c XL	1	fn main() {
	2	test::<FooS>(&mut 42); //~ ERROR implementation of `Foo` is not general enough
	3	}
	4
	5	trait Foo<'a> {}
	6
	7	struct FooS<'a> {
	8	data: &'a mut u32,
	9	}
	10
	11	impl<'a, 'b: 'a> Foo<'b> for FooS<'a> {}
	12
	13	fn test<'a, F>(data: &'a mut u32) where F: for<'b> Foo<'b> {}