| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // 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() {} |
