rust/tests/ui/where-clauses/where-for-self.rs
2023-01-11 09:32:08 +00:00

20 lines
516 B
Rust

// Test that we can quantify lifetimes outside a constraint (i.e., including
// the self type) in a where clause. Specifically, test that we cannot nest
// quantification in constraints (to be clear, there is no reason this should not
// we're testing we don't crash or do something stupid).
trait Bar<'a> {
fn bar(&self);
}
impl<'a, 'b> Bar<'b> for &'a u32 {
fn bar(&self) {}
}
fn foo<T>(x: &T)
where for<'a> &'a T: for<'b> Bar<'b>
//~^ error: nested quantification of lifetimes
{}
fn main() {}