rust/tests/ui/higher-rank-trait-bounds/due-to-where-clause.rs
2023-01-11 09:32:08 +00:00

14 lines
264 B
Rust

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> {}