mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
20 lines
516 B
Rust
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() {}
|